Home / 3,130.41-4,320-1,733.16

Finding the Fourth Proportional to 3,130.41, 4,320 and 1,733.16

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Solution

The fourth proportional to 3,130.41, 4,320 and 1,733.16 is: 2,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.41 : 4,320 = 1,733.16 : x
  2. Step 2: Convert to fraction form
    3,130.41/4,320 = 1,733.16/x
  3. Step 3: Cross multiply
    3,130.41x = 4,320 × 1,733.16
  4. Step 4: Simplify right side
    3,130.41x = 7,487,251.20
  5. Step 5: Solve for x
    x = 7,487,251.20/3,130.41
  6. Step 6: Final answer
    x = 2,391.78

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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.