Home / 2,288.13-3,432.47-2,151.51

Finding the Fourth Proportional to 2,288.13, 3,432.47 and 2,151.51

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Solution

The fourth proportional to 2,288.13, 3,432.47 and 2,151.51 is: 3,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.13 : 3,432.47 = 2,151.51 : x
  2. Step 2: Convert to fraction form
    2,288.13/3,432.47 = 2,151.51/x
  3. Step 3: Cross multiply
    2,288.13x = 3,432.47 × 2,151.51
  4. Step 4: Simplify right side
    2,288.13x = 7,384,982.77
  5. Step 5: Solve for x
    x = 7,384,982.77/2,288.13
  6. Step 6: Final answer
    x = 3,227.52

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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.