Home / 5,760.24-7,948.92-3,242.40

Finding the Fourth Proportional to 5,760.24, 7,948.92 and 3,242.40

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Solution

The fourth proportional to 5,760.24, 7,948.92 and 3,242.40 is: 4,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.24 : 7,948.92 = 3,242.40 : x
  2. Step 2: Convert to fraction form
    5,760.24/7,948.92 = 3,242.40/x
  3. Step 3: Cross multiply
    5,760.24x = 7,948.92 × 3,242.40
  4. Step 4: Simplify right side
    5,760.24x = 25,773,578.21
  5. Step 5: Solve for x
    x = 25,773,578.21/5,760.24
  6. Step 6: Final answer
    x = 4,474.39

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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.