Home / 7,572.55-11,359.28-2,378.43

Finding the Fourth Proportional to 7,572.55, 11,359.28 and 2,378.43

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Solution

The fourth proportional to 7,572.55, 11,359.28 and 2,378.43 is: 3,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.55 : 11,359.28 = 2,378.43 : x
  2. Step 2: Convert to fraction form
    7,572.55/11,359.28 = 2,378.43/x
  3. Step 3: Cross multiply
    7,572.55x = 11,359.28 × 2,378.43
  4. Step 4: Simplify right side
    7,572.55x = 27,017,229.88
  5. Step 5: Solve for x
    x = 27,017,229.88/7,572.55
  6. Step 6: Final answer
    x = 3,567.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.