Home / 5,385.75-7,432.34-3,522.75

Finding the Fourth Proportional to 5,385.75, 7,432.34 and 3,522.75

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Solution

The fourth proportional to 5,385.75, 7,432.34 and 3,522.75 is: 4,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.75 : 7,432.34 = 3,522.75 : x
  2. Step 2: Convert to fraction form
    5,385.75/7,432.34 = 3,522.75/x
  3. Step 3: Cross multiply
    5,385.75x = 7,432.34 × 3,522.75
  4. Step 4: Simplify right side
    5,385.75x = 26,182,258.12
  5. Step 5: Solve for x
    x = 26,182,258.12/5,385.75
  6. Step 6: Final answer
    x = 4,861.40

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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.