Home / 5,045.76-7,575.12-4,281.12

Finding the Fourth Proportional to 5,045.76, 7,575.12 and 4,281.12

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Solution

The fourth proportional to 5,045.76, 7,575.12 and 4,281.12 is: 6,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.76 : 7,575.12 = 4,281.12 : x
  2. Step 2: Convert to fraction form
    5,045.76/7,575.12 = 4,281.12/x
  3. Step 3: Cross multiply
    5,045.76x = 7,575.12 × 4,281.12
  4. Step 4: Simplify right side
    5,045.76x = 32,429,997.73
  5. Step 5: Solve for x
    x = 32,429,997.73/5,045.76
  6. Step 6: Final answer
    x = 6,427.18

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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.