Home / 2,401.45-3,314.01-1,353.52

Finding the Fourth Proportional to 2,401.45, 3,314.01 and 1,353.52

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Solution

The fourth proportional to 2,401.45, 3,314.01 and 1,353.52 is: 1,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.45 : 3,314.01 = 1,353.52 : x
  2. Step 2: Convert to fraction form
    2,401.45/3,314.01 = 1,353.52/x
  3. Step 3: Cross multiply
    2,401.45x = 3,314.01 × 1,353.52
  4. Step 4: Simplify right side
    2,401.45x = 4,485,561.78
  5. Step 5: Solve for x
    x = 4,485,561.78/2,401.45
  6. Step 6: Final answer
    x = 1,867.85

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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.