Home / 5,534.60-7,638.20-3,177.19

Finding the Fourth Proportional to 5,534.60, 7,638.20 and 3,177.19

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Solution

The fourth proportional to 5,534.60, 7,638.20 and 3,177.19 is: 4,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.60 : 7,638.20 = 3,177.19 : x
  2. Step 2: Convert to fraction form
    5,534.60/7,638.20 = 3,177.19/x
  3. Step 3: Cross multiply
    5,534.60x = 7,638.20 × 3,177.19
  4. Step 4: Simplify right side
    5,534.60x = 24,268,018.23
  5. Step 5: Solve for x
    x = 24,268,018.23/5,534.60
  6. Step 6: Final answer
    x = 4,384.79

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.