Home / 2,192.39-3,025.36-1,248.17

Finding the Fourth Proportional to 2,192.39, 3,025.36 and 1,248.17

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Solution

The fourth proportional to 2,192.39, 3,025.36 and 1,248.17 is: 1,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.39 : 3,025.36 = 1,248.17 : x
  2. Step 2: Convert to fraction form
    2,192.39/3,025.36 = 1,248.17/x
  3. Step 3: Cross multiply
    2,192.39x = 3,025.36 × 1,248.17
  4. Step 4: Simplify right side
    2,192.39x = 3,776,163.59
  5. Step 5: Solve for x
    x = 3,776,163.59/2,192.39
  6. Step 6: Final answer
    x = 1,722.40

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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.