Home / 5,689.17-7,851.78-3,331.26

Finding the Fourth Proportional to 5,689.17, 7,851.78 and 3,331.26

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Solution

The fourth proportional to 5,689.17, 7,851.78 and 3,331.26 is: 4,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.17 : 7,851.78 = 3,331.26 : x
  2. Step 2: Convert to fraction form
    5,689.17/7,851.78 = 3,331.26/x
  3. Step 3: Cross multiply
    5,689.17x = 7,851.78 × 3,331.26
  4. Step 4: Simplify right side
    5,689.17x = 26,156,320.64
  5. Step 5: Solve for x
    x = 26,156,320.64/5,689.17
  6. Step 6: Final answer
    x = 4,597.56

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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.