Home / 4,355.76-6,531.18-1,433.28

Finding the Fourth Proportional to 4,355.76, 6,531.18 and 1,433.28

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Solution

The fourth proportional to 4,355.76, 6,531.18 and 1,433.28 is: 2,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.76 : 6,531.18 = 1,433.28 : x
  2. Step 2: Convert to fraction form
    4,355.76/6,531.18 = 1,433.28/x
  3. Step 3: Cross multiply
    4,355.76x = 6,531.18 × 1,433.28
  4. Step 4: Simplify right side
    4,355.76x = 9,361,009.67
  5. Step 5: Solve for x
    x = 9,361,009.67/4,355.76
  6. Step 6: Final answer
    x = 2,149.11

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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.