Home / 3,324.69-4,587.84-1,998.18

Finding the Fourth Proportional to 3,324.69, 4,587.84 and 1,998.18

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Solution

The fourth proportional to 3,324.69, 4,587.84 and 1,998.18 is: 2,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.69 : 4,587.84 = 1,998.18 : x
  2. Step 2: Convert to fraction form
    3,324.69/4,587.84 = 1,998.18/x
  3. Step 3: Cross multiply
    3,324.69x = 4,587.84 × 1,998.18
  4. Step 4: Simplify right side
    3,324.69x = 9,167,330.13
  5. Step 5: Solve for x
    x = 9,167,330.13/3,324.69
  6. Step 6: Final answer
    x = 2,757.35

Related Problems

Find fourth proportional to 1,662.35, 2,293.92 and 999.09
Half scale
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Double scale
Find fourth proportional to 3,325.69, 4,589.22 and 1,999.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.