Home / 5,864.10-8,796.15-5,135.10

Finding the Fourth Proportional to 5,864.10, 8,796.15 and 5,135.10

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Solution

The fourth proportional to 5,864.10, 8,796.15 and 5,135.10 is: 7,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,864.10 : 8,796.15 = 5,135.10 : x
  2. Step 2: Convert to fraction form
    5,864.10/8,796.15 = 5,135.10/x
  3. Step 3: Cross multiply
    5,864.10x = 8,796.15 × 5,135.10
  4. Step 4: Simplify right side
    5,864.10x = 45,169,109.87
  5. Step 5: Solve for x
    x = 45,169,109.87/5,864.10
  6. Step 6: Final answer
    x = 7,702.65

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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.