Home / 3,501.53-5,252.19-1,421.48

Finding the Fourth Proportional to 3,501.53, 5,252.19 and 1,421.48

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Solution

The fourth proportional to 3,501.53, 5,252.19 and 1,421.48 is: 2,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.53 : 5,252.19 = 1,421.48 : x
  2. Step 2: Convert to fraction form
    3,501.53/5,252.19 = 1,421.48/x
  3. Step 3: Cross multiply
    3,501.53x = 5,252.19 × 1,421.48
  4. Step 4: Simplify right side
    3,501.53x = 7,465,856.78
  5. Step 5: Solve for x
    x = 7,465,856.78/3,501.53
  6. Step 6: Final answer
    x = 2,132.17

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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.