Home / 1,452.24-2,002.64-927.36

Finding the Fourth Proportional to 1,452.24, 2,002.64 and 927.36

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Solution

The fourth proportional to 1,452.24, 2,002.64 and 927.36 is: 1,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.24 : 2,002.64 = 927.36 : x
  2. Step 2: Convert to fraction form
    1,452.24/2,002.64 = 927.36/x
  3. Step 3: Cross multiply
    1,452.24x = 2,002.64 × 927.36
  4. Step 4: Simplify right side
    1,452.24x = 1,857,168.23
  5. Step 5: Solve for x
    x = 1,857,168.23/1,452.24
  6. Step 6: Final answer
    x = 1,278.83

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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.