Home / 2,513.16-3,753.85-2,124.36

Finding the Fourth Proportional to 2,513.16, 3,753.85 and 2,124.36

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Solution

The fourth proportional to 2,513.16, 3,753.85 and 2,124.36 is: 3,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.16 : 3,753.85 = 2,124.36 : x
  2. Step 2: Convert to fraction form
    2,513.16/3,753.85 = 2,124.36/x
  3. Step 3: Cross multiply
    2,513.16x = 3,753.85 × 2,124.36
  4. Step 4: Simplify right side
    2,513.16x = 7,974,528.79
  5. Step 5: Solve for x
    x = 7,974,528.79/2,513.16
  6. Step 6: Final answer
    x = 3,173.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.