Home / 5,517.01-7,613.49-2,999.13

Finding the Fourth Proportional to 5,517.01, 7,613.49 and 2,999.13

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Solution

The fourth proportional to 5,517.01, 7,613.49 and 2,999.13 is: 4,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.01 : 7,613.49 = 2,999.13 : x
  2. Step 2: Convert to fraction form
    5,517.01/7,613.49 = 2,999.13/x
  3. Step 3: Cross multiply
    5,517.01x = 7,613.49 × 2,999.13
  4. Step 4: Simplify right side
    5,517.01x = 22,833,828.96
  5. Step 5: Solve for x
    x = 22,833,828.96/5,517.01
  6. Step 6: Final answer
    x = 4,138.80

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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.