Home / 2,283.87-3,149.79-1,576.85

Finding the Fourth Proportional to 2,283.87, 3,149.79 and 1,576.85

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Solution

The fourth proportional to 2,283.87, 3,149.79 and 1,576.85 is: 2,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.87 : 3,149.79 = 1,576.85 : x
  2. Step 2: Convert to fraction form
    2,283.87/3,149.79 = 1,576.85/x
  3. Step 3: Cross multiply
    2,283.87x = 3,149.79 × 1,576.85
  4. Step 4: Simplify right side
    2,283.87x = 4,966,730.61
  5. Step 5: Solve for x
    x = 4,966,730.61/2,283.87
  6. Step 6: Final answer
    x = 2,174.70

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1.5x scale

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.