Home / 2,981.97-4,113.35-2,037.29

Finding the Fourth Proportional to 2,981.97, 4,113.35 and 2,037.29

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Solution

The fourth proportional to 2,981.97, 4,113.35 and 2,037.29 is: 2,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.97 : 4,113.35 = 2,037.29 : x
  2. Step 2: Convert to fraction form
    2,981.97/4,113.35 = 2,037.29/x
  3. Step 3: Cross multiply
    2,981.97x = 4,113.35 × 2,037.29
  4. Step 4: Simplify right side
    2,981.97x = 8,380,056.07
  5. Step 5: Solve for x
    x = 8,380,056.07/2,981.97
  6. Step 6: Final answer
    x = 2,810.24

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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.