Home / 6,221.38-8,585.86-4,124.02

Finding the Fourth Proportional to 6,221.38, 8,585.86 and 4,124.02

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Solution

The fourth proportional to 6,221.38, 8,585.86 and 4,124.02 is: 5,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.38 : 8,585.86 = 4,124.02 : x
  2. Step 2: Convert to fraction form
    6,221.38/8,585.86 = 4,124.02/x
  3. Step 3: Cross multiply
    6,221.38x = 8,585.86 × 4,124.02
  4. Step 4: Simplify right side
    6,221.38x = 35,408,258.36
  5. Step 5: Solve for x
    x = 35,408,258.36/6,221.38
  6. Step 6: Final answer
    x = 5,691.38

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Half scale
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Double scale
Find fourth proportional to 6,222.38, 8,587.24 and 4,125.02
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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.