Home / 5,551.60-8,331.45-3,702.10

Finding the Fourth Proportional to 5,551.60, 8,331.45 and 3,702.10

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Solution

The fourth proportional to 5,551.60, 8,331.45 and 3,702.10 is: 5,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.60 : 8,331.45 = 3,702.10 : x
  2. Step 2: Convert to fraction form
    5,551.60/8,331.45 = 3,702.10/x
  3. Step 3: Cross multiply
    5,551.60x = 8,331.45 × 3,702.10
  4. Step 4: Simplify right side
    5,551.60x = 30,843,861.05
  5. Step 5: Solve for x
    x = 30,843,861.05/5,551.60
  6. Step 6: Final answer
    x = 5,555.85

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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.