Home / 6,715.65-9,267.42-3,731.74

Finding the Fourth Proportional to 6,715.65, 9,267.42 and 3,731.74

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Solution

The fourth proportional to 6,715.65, 9,267.42 and 3,731.74 is: 5,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.65 : 9,267.42 = 3,731.74 : x
  2. Step 2: Convert to fraction form
    6,715.65/9,267.42 = 3,731.74/x
  3. Step 3: Cross multiply
    6,715.65x = 9,267.42 × 3,731.74
  4. Step 4: Simplify right side
    6,715.65x = 34,583,601.91
  5. Step 5: Solve for x
    x = 34,583,601.91/6,715.65
  6. Step 6: Final answer
    x = 5,149.70

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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.