Home / 3,314.80-4,569.51-2,429.20

Finding the Fourth Proportional to 3,314.80, 4,569.51 and 2,429.20

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Solution

The fourth proportional to 3,314.80, 4,569.51 and 2,429.20 is: 3,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.80 : 4,569.51 = 2,429.20 : x
  2. Step 2: Convert to fraction form
    3,314.80/4,569.51 = 2,429.20/x
  3. Step 3: Cross multiply
    3,314.80x = 4,569.51 × 2,429.20
  4. Step 4: Simplify right side
    3,314.80x = 11,100,253.69
  5. Step 5: Solve for x
    x = 11,100,253.69/3,314.80
  6. Step 6: Final answer
    x = 3,348.69

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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.