Home / 5,243.18-7,862.42-1,544.11

Finding the Fourth Proportional to 5,243.18, 7,862.42 and 1,544.11

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Solution

The fourth proportional to 5,243.18, 7,862.42 and 1,544.11 is: 2,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.18 : 7,862.42 = 1,544.11 : x
  2. Step 2: Convert to fraction form
    5,243.18/7,862.42 = 1,544.11/x
  3. Step 3: Cross multiply
    5,243.18x = 7,862.42 × 1,544.11
  4. Step 4: Simplify right side
    5,243.18x = 12,140,461.09
  5. Step 5: Solve for x
    x = 12,140,461.09/5,243.18
  6. Step 6: Final answer
    x = 2,315.48

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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.