Home / 4,020.38-5,548.42-2,427.42

Finding the Fourth Proportional to 4,020.38, 5,548.42 and 2,427.42

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Solution

The fourth proportional to 4,020.38, 5,548.42 and 2,427.42 is: 3,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.38 : 5,548.42 = 2,427.42 : x
  2. Step 2: Convert to fraction form
    4,020.38/5,548.42 = 2,427.42/x
  3. Step 3: Cross multiply
    4,020.38x = 5,548.42 × 2,427.42
  4. Step 4: Simplify right side
    4,020.38x = 13,468,345.13
  5. Step 5: Solve for x
    x = 13,468,345.13/4,020.38
  6. Step 6: Final answer
    x = 3,350.01

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Half scale
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Double scale
Find fourth proportional to 4,021.38, 5,549.80 and 2,428.42
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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.