Home / 5,694.10-8,541.15-4,138.90

Finding the Fourth Proportional to 5,694.10, 8,541.15 and 4,138.90

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Solution

The fourth proportional to 5,694.10, 8,541.15 and 4,138.90 is: 6,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.10 : 8,541.15 = 4,138.90 : x
  2. Step 2: Convert to fraction form
    5,694.10/8,541.15 = 4,138.90/x
  3. Step 3: Cross multiply
    5,694.10x = 8,541.15 × 4,138.90
  4. Step 4: Simplify right side
    5,694.10x = 35,350,965.74
  5. Step 5: Solve for x
    x = 35,350,965.74/5,694.10
  6. Step 6: Final answer
    x = 6,208.35

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Double scale
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Similar ratio
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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.