Home / 3,132.99-4,320.68-2,248.47

Finding the Fourth Proportional to 3,132.99, 4,320.68 and 2,248.47

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Solution

The fourth proportional to 3,132.99, 4,320.68 and 2,248.47 is: 3,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.99 : 4,320.68 = 2,248.47 : x
  2. Step 2: Convert to fraction form
    3,132.99/4,320.68 = 2,248.47/x
  3. Step 3: Cross multiply
    3,132.99x = 4,320.68 × 2,248.47
  4. Step 4: Simplify right side
    3,132.99x = 9,714,908.12
  5. Step 5: Solve for x
    x = 9,714,908.12/3,132.99
  6. Step 6: Final answer
    x = 3,100.84

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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.