Home / 5,386.29-8,073.43-2,265.36

Finding the Fourth Proportional to 5,386.29, 8,073.43 and 2,265.36

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Solution

The fourth proportional to 5,386.29, 8,073.43 and 2,265.36 is: 3,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.29 : 8,073.43 = 2,265.36 : x
  2. Step 2: Convert to fraction form
    5,386.29/8,073.43 = 2,265.36/x
  3. Step 3: Cross multiply
    5,386.29x = 8,073.43 × 2,265.36
  4. Step 4: Simplify right side
    5,386.29x = 18,289,225.38
  5. Step 5: Solve for x
    x = 18,289,225.38/5,386.29
  6. Step 6: Final answer
    x = 3,395.51

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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.