Home / 5,344.48-7,374.88-3,219.68

Finding the Fourth Proportional to 5,344.48, 7,374.88 and 3,219.68

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Solution

The fourth proportional to 5,344.48, 7,374.88 and 3,219.68 is: 4,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.48 : 7,374.88 = 3,219.68 : x
  2. Step 2: Convert to fraction form
    5,344.48/7,374.88 = 3,219.68/x
  3. Step 3: Cross multiply
    5,344.48x = 7,374.88 × 3,219.68
  4. Step 4: Simplify right side
    5,344.48x = 23,744,753.64
  5. Step 5: Solve for x
    x = 23,744,753.64/5,344.48
  6. Step 6: Final answer
    x = 4,442.86

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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.