Home / 2,082.10-3,124.62-1,535.70

Finding the Fourth Proportional to 2,082.10, 3,124.62 and 1,535.70

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Solution

The fourth proportional to 2,082.10, 3,124.62 and 1,535.70 is: 2,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.10 : 3,124.62 = 1,535.70 : x
  2. Step 2: Convert to fraction form
    2,082.10/3,124.62 = 1,535.70/x
  3. Step 3: Cross multiply
    2,082.10x = 3,124.62 × 1,535.70
  4. Step 4: Simplify right side
    2,082.10x = 4,798,478.93
  5. Step 5: Solve for x
    x = 4,798,478.93/2,082.10
  6. Step 6: Final answer
    x = 2,304.63

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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.