Home / 2,432.20-3,355.26-2,100.52

Finding the Fourth Proportional to 2,432.20, 3,355.26 and 2,100.52

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Solution

The fourth proportional to 2,432.20, 3,355.26 and 2,100.52 is: 2,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.20 : 3,355.26 = 2,100.52 : x
  2. Step 2: Convert to fraction form
    2,432.20/3,355.26 = 2,100.52/x
  3. Step 3: Cross multiply
    2,432.20x = 3,355.26 × 2,100.52
  4. Step 4: Simplify right side
    2,432.20x = 7,047,790.74
  5. Step 5: Solve for x
    x = 7,047,790.74/2,432.20
  6. Step 6: Final answer
    x = 2,897.70

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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.