Home / 1,527.20-2,105.52-1,060.64

Finding the Fourth Proportional to 1,527.20, 2,105.52 and 1,060.64

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Solution

The fourth proportional to 1,527.20, 2,105.52 and 1,060.64 is: 1,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.20 : 2,105.52 = 1,060.64 : x
  2. Step 2: Convert to fraction form
    1,527.20/2,105.52 = 1,060.64/x
  3. Step 3: Cross multiply
    1,527.20x = 2,105.52 × 1,060.64
  4. Step 4: Simplify right side
    1,527.20x = 2,233,198.73
  5. Step 5: Solve for x
    x = 2,233,198.73/1,527.20
  6. Step 6: Final answer
    x = 1,462.28

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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.