Home / 2,830.97-3,900.51-2,474.17

Finding the Fourth Proportional to 2,830.97, 3,900.51 and 2,474.17

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Solution

The fourth proportional to 2,830.97, 3,900.51 and 2,474.17 is: 3,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.97 : 3,900.51 = 2,474.17 : x
  2. Step 2: Convert to fraction form
    2,830.97/3,900.51 = 2,474.17/x
  3. Step 3: Cross multiply
    2,830.97x = 3,900.51 × 2,474.17
  4. Step 4: Simplify right side
    2,830.97x = 9,650,515.08
  5. Step 5: Solve for x
    x = 9,650,515.08/2,830.97
  6. Step 6: Final answer
    x = 3,408.90

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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.