Home / 2,248.16-3,371.13-787.10

Finding the Fourth Proportional to 2,248.16, 3,371.13 and 787.10

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Solution

The fourth proportional to 2,248.16, 3,371.13 and 787.10 is: 1,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.16 : 3,371.13 = 787.10 : x
  2. Step 2: Convert to fraction form
    2,248.16/3,371.13 = 787.10/x
  3. Step 3: Cross multiply
    2,248.16x = 3,371.13 × 787.10
  4. Step 4: Simplify right side
    2,248.16x = 2,653,399.57
  5. Step 5: Solve for x
    x = 2,653,399.57/2,248.16
  6. Step 6: Final answer
    x = 1,180.26

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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.