Home / 7,718.59-10,651.85-4,732.70

Finding the Fourth Proportional to 7,718.59, 10,651.85 and 4,732.70

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Solution

The fourth proportional to 7,718.59, 10,651.85 and 4,732.70 is: 6,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.59 : 10,651.85 = 4,732.70 : x
  2. Step 2: Convert to fraction form
    7,718.59/10,651.85 = 4,732.70/x
  3. Step 3: Cross multiply
    7,718.59x = 10,651.85 × 4,732.70
  4. Step 4: Simplify right side
    7,718.59x = 50,411,998.66
  5. Step 5: Solve for x
    x = 50,411,998.66/7,718.59
  6. Step 6: Final answer
    x = 6,531.25

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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.