Home / 2,957.75-4,437.38-1,108.87

Finding the Fourth Proportional to 2,957.75, 4,437.38 and 1,108.87

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Solution

The fourth proportional to 2,957.75, 4,437.38 and 1,108.87 is: 1,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.75 : 4,437.38 = 1,108.87 : x
  2. Step 2: Convert to fraction form
    2,957.75/4,437.38 = 1,108.87/x
  3. Step 3: Cross multiply
    2,957.75x = 4,437.38 × 1,108.87
  4. Step 4: Simplify right side
    2,957.75x = 4,920,472.02
  5. Step 5: Solve for x
    x = 4,920,472.02/2,957.75
  6. Step 6: Final answer
    x = 1,663.59

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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.