Home / 4,083.42-5,636.40-2,316.20

Finding the Fourth Proportional to 4,083.42, 5,636.40 and 2,316.20

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Solution

The fourth proportional to 4,083.42, 5,636.40 and 2,316.20 is: 3,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.42 : 5,636.40 = 2,316.20 : x
  2. Step 2: Convert to fraction form
    4,083.42/5,636.40 = 2,316.20/x
  3. Step 3: Cross multiply
    4,083.42x = 5,636.40 × 2,316.20
  4. Step 4: Simplify right side
    4,083.42x = 13,055,001.50
  5. Step 5: Solve for x
    x = 13,055,001.50/4,083.42
  6. Step 6: Final answer
    x = 3,197.08

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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.