Home / 5,031.66-7,517.68-4,859.40

Finding the Fourth Proportional to 5,031.66, 7,517.68 and 4,859.40

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Solution

The fourth proportional to 5,031.66, 7,517.68 and 4,859.40 is: 7,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.66 : 7,517.68 = 4,859.40 : x
  2. Step 2: Convert to fraction form
    5,031.66/7,517.68 = 4,859.40/x
  3. Step 3: Cross multiply
    5,031.66x = 7,517.68 × 4,859.40
  4. Step 4: Simplify right side
    5,031.66x = 36,531,414.19
  5. Step 5: Solve for x
    x = 36,531,414.19/5,031.66
  6. Step 6: Final answer
    x = 7,260.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.