Home / 5,422.16-7,478.76-3,327.44

Finding the Fourth Proportional to 5,422.16, 7,478.76 and 3,327.44

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Solution

The fourth proportional to 5,422.16, 7,478.76 and 3,327.44 is: 4,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.16 : 7,478.76 = 3,327.44 : x
  2. Step 2: Convert to fraction form
    5,422.16/7,478.76 = 3,327.44/x
  3. Step 3: Cross multiply
    5,422.16x = 7,478.76 × 3,327.44
  4. Step 4: Simplify right side
    5,422.16x = 24,885,125.17
  5. Step 5: Solve for x
    x = 24,885,125.17/5,422.16
  6. Step 6: Final answer
    x = 4,589.52

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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.