Home / 5,516.19-7,612.35-2,998.29

Finding the Fourth Proportional to 5,516.19, 7,612.35 and 2,998.29

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Solution

The fourth proportional to 5,516.19, 7,612.35 and 2,998.29 is: 4,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.19 : 7,612.35 = 2,998.29 : x
  2. Step 2: Convert to fraction form
    5,516.19/7,612.35 = 2,998.29/x
  3. Step 3: Cross multiply
    5,516.19x = 7,612.35 × 2,998.29
  4. Step 4: Simplify right side
    5,516.19x = 22,824,072.67
  5. Step 5: Solve for x
    x = 22,824,072.67/5,516.19
  6. Step 6: Final answer
    x = 4,137.65

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Half scale
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Double scale
Find fourth proportional to 5,517.19, 7,613.73 and 2,999.29
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.