Home / 2,931.57-4,035.65-2,267.17

Finding the Fourth Proportional to 2,931.57, 4,035.65 and 2,267.17

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Solution

The fourth proportional to 2,931.57, 4,035.65 and 2,267.17 is: 3,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.57 : 4,035.65 = 2,267.17 : x
  2. Step 2: Convert to fraction form
    2,931.57/4,035.65 = 2,267.17/x
  3. Step 3: Cross multiply
    2,931.57x = 4,035.65 × 2,267.17
  4. Step 4: Simplify right side
    2,931.57x = 9,149,504.61
  5. Step 5: Solve for x
    x = 9,149,504.61/2,931.57
  6. Step 6: Final answer
    x = 3,121.03

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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.