Home / 7,432.89-11,135.08-3,730.78

Finding the Fourth Proportional to 7,432.89, 11,135.08 and 3,730.78

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Solution

The fourth proportional to 7,432.89, 11,135.08 and 3,730.78 is: 5,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.89 : 11,135.08 = 3,730.78 : x
  2. Step 2: Convert to fraction form
    7,432.89/11,135.08 = 3,730.78/x
  3. Step 3: Cross multiply
    7,432.89x = 11,135.08 × 3,730.78
  4. Step 4: Simplify right side
    7,432.89x = 41,542,533.76
  5. Step 5: Solve for x
    x = 41,542,533.76/7,432.89
  6. Step 6: Final answer
    x = 5,589.02

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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.