Home / 1,500.12-2,248.26-1,326.12

Finding the Fourth Proportional to 1,500.12, 2,248.26 and 1,326.12

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Solution

The fourth proportional to 1,500.12, 2,248.26 and 1,326.12 is: 1,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.12 : 2,248.26 = 1,326.12 : x
  2. Step 2: Convert to fraction form
    1,500.12/2,248.26 = 1,326.12/x
  3. Step 3: Cross multiply
    1,500.12x = 2,248.26 × 1,326.12
  4. Step 4: Simplify right side
    1,500.12x = 2,981,462.55
  5. Step 5: Solve for x
    x = 2,981,462.55/1,500.12
  6. Step 6: Final answer
    x = 1,987.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.