Home / 4,742.60-7,113.24-3,432.64

Finding the Fourth Proportional to 4,742.60, 7,113.24 and 3,432.64

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Solution

The fourth proportional to 4,742.60, 7,113.24 and 3,432.64 is: 5,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.60 : 7,113.24 = 3,432.64 : x
  2. Step 2: Convert to fraction form
    4,742.60/7,113.24 = 3,432.64/x
  3. Step 3: Cross multiply
    4,742.60x = 7,113.24 × 3,432.64
  4. Step 4: Simplify right side
    4,742.60x = 24,417,192.15
  5. Step 5: Solve for x
    x = 24,417,192.15/4,742.60
  6. Step 6: Final answer
    x = 5,148.48

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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.