Home / 2,332.47-3,493.24-1,290.81

Finding the Fourth Proportional to 2,332.47, 3,493.24 and 1,290.81

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Solution

The fourth proportional to 2,332.47, 3,493.24 and 1,290.81 is: 1,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.47 : 3,493.24 = 1,290.81 : x
  2. Step 2: Convert to fraction form
    2,332.47/3,493.24 = 1,290.81/x
  3. Step 3: Cross multiply
    2,332.47x = 3,493.24 × 1,290.81
  4. Step 4: Simplify right side
    2,332.47x = 4,509,105.90
  5. Step 5: Solve for x
    x = 4,509,105.90/2,332.47
  6. Step 6: Final answer
    x = 1,933.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.