Home / 7,374.18-10,175.82-4,229.76

Finding the Fourth Proportional to 7,374.18, 10,175.82 and 4,229.76

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Solution

The fourth proportional to 7,374.18, 10,175.82 and 4,229.76 is: 5,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.18 : 10,175.82 = 4,229.76 : x
  2. Step 2: Convert to fraction form
    7,374.18/10,175.82 = 4,229.76/x
  3. Step 3: Cross multiply
    7,374.18x = 10,175.82 × 4,229.76
  4. Step 4: Simplify right side
    7,374.18x = 43,041,276.40
  5. Step 5: Solve for x
    x = 43,041,276.40/7,374.18
  6. Step 6: Final answer
    x = 5,836.75

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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.