Home / 4,170.50-6,255.96-1,248.83

Finding the Fourth Proportional to 4,170.50, 6,255.96 and 1,248.83

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Solution

The fourth proportional to 4,170.50, 6,255.96 and 1,248.83 is: 1,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.50 : 6,255.96 = 1,248.83 : x
  2. Step 2: Convert to fraction form
    4,170.50/6,255.96 = 1,248.83/x
  3. Step 3: Cross multiply
    4,170.50x = 6,255.96 × 1,248.83
  4. Step 4: Simplify right side
    4,170.50x = 7,812,630.53
  5. Step 5: Solve for x
    x = 7,812,630.53/4,170.50
  6. Step 6: Final answer
    x = 1,873.31

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Half scale
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Double scale
Find fourth proportional to 4,171.50, 6,257.46 and 1,249.83
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.