Home / 6,451.03-8,902.47-3,798.42

Finding the Fourth Proportional to 6,451.03, 8,902.47 and 3,798.42

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Solution

The fourth proportional to 6,451.03, 8,902.47 and 3,798.42 is: 5,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.03 : 8,902.47 = 3,798.42 : x
  2. Step 2: Convert to fraction form
    6,451.03/8,902.47 = 3,798.42/x
  3. Step 3: Cross multiply
    6,451.03x = 8,902.47 × 3,798.42
  4. Step 4: Simplify right side
    6,451.03x = 33,815,320.10
  5. Step 5: Solve for x
    x = 33,815,320.10/6,451.03
  6. Step 6: Final answer
    x = 5,241.85

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Half scale
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Double scale
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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.