Home / 2,355.19-3,251.28-1,472.29

Finding the Fourth Proportional to 2,355.19, 3,251.28 and 1,472.29

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Solution

The fourth proportional to 2,355.19, 3,251.28 and 1,472.29 is: 2,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.19 : 3,251.28 = 1,472.29 : x
  2. Step 2: Convert to fraction form
    2,355.19/3,251.28 = 1,472.29/x
  3. Step 3: Cross multiply
    2,355.19x = 3,251.28 × 1,472.29
  4. Step 4: Simplify right side
    2,355.19x = 4,786,827.03
  5. Step 5: Solve for x
    x = 4,786,827.03/2,355.19
  6. Step 6: Final answer
    x = 2,032.46

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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.