Home / 7,474.82-10,315.25-4,332.83

Finding the Fourth Proportional to 7,474.82, 10,315.25 and 4,332.83

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Solution

The fourth proportional to 7,474.82, 10,315.25 and 4,332.83 is: 5,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.82 : 10,315.25 = 4,332.83 : x
  2. Step 2: Convert to fraction form
    7,474.82/10,315.25 = 4,332.83/x
  3. Step 3: Cross multiply
    7,474.82x = 10,315.25 × 4,332.83
  4. Step 4: Simplify right side
    7,474.82x = 44,694,151.42
  5. Step 5: Solve for x
    x = 44,694,151.42/7,474.82
  6. Step 6: Final answer
    x = 5,979.30

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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.