Home / 2,192.13-3,025.14-1,247.88

Finding the Fourth Proportional to 2,192.13, 3,025.14 and 1,247.88

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Solution

The fourth proportional to 2,192.13, 3,025.14 and 1,247.88 is: 1,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.13 : 3,025.14 = 1,247.88 : x
  2. Step 2: Convert to fraction form
    2,192.13/3,025.14 = 1,247.88/x
  3. Step 3: Cross multiply
    2,192.13x = 3,025.14 × 1,247.88
  4. Step 4: Simplify right side
    2,192.13x = 3,775,011.70
  5. Step 5: Solve for x
    x = 3,775,011.70/2,192.13
  6. Step 6: Final answer
    x = 1,722.07

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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.