Home / 4,323.80-6,481.85-1,585.88

Finding the Fourth Proportional to 4,323.80, 6,481.85 and 1,585.88

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Solution

The fourth proportional to 4,323.80, 6,481.85 and 1,585.88 is: 2,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.80 : 6,481.85 = 1,585.88 : x
  2. Step 2: Convert to fraction form
    4,323.80/6,481.85 = 1,585.88/x
  3. Step 3: Cross multiply
    4,323.80x = 6,481.85 × 1,585.88
  4. Step 4: Simplify right side
    4,323.80x = 10,279,407.83
  5. Step 5: Solve for x
    x = 10,279,407.83/4,323.80
  6. Step 6: Final answer
    x = 2,377.40

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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.