Home / 7,581.38-10,462.50-4,178.52

Finding the Fourth Proportional to 7,581.38, 10,462.50 and 4,178.52

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Solution

The fourth proportional to 7,581.38, 10,462.50 and 4,178.52 is: 5,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.38 : 10,462.50 = 4,178.52 : x
  2. Step 2: Convert to fraction form
    7,581.38/10,462.50 = 4,178.52/x
  3. Step 3: Cross multiply
    7,581.38x = 10,462.50 × 4,178.52
  4. Step 4: Simplify right side
    7,581.38x = 43,717,765.50
  5. Step 5: Solve for x
    x = 43,717,765.50/7,581.38
  6. Step 6: Final answer
    x = 5,766.47

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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.