Home / 2,350.38-3,242.84-1,342.12

Finding the Fourth Proportional to 2,350.38, 3,242.84 and 1,342.12

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Solution

The fourth proportional to 2,350.38, 3,242.84 and 1,342.12 is: 1,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.38 : 3,242.84 = 1,342.12 : x
  2. Step 2: Convert to fraction form
    2,350.38/3,242.84 = 1,342.12/x
  3. Step 3: Cross multiply
    2,350.38x = 3,242.84 × 1,342.12
  4. Step 4: Simplify right side
    2,350.38x = 4,352,280.42
  5. Step 5: Solve for x
    x = 4,352,280.42/2,350.38
  6. Step 6: Final answer
    x = 1,851.73

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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.