Home / 5,716.36-8,569-2,597.20

Finding the Fourth Proportional to 5,716.36, 8,569 and 2,597.20

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Solution

The fourth proportional to 5,716.36, 8,569 and 2,597.20 is: 3,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.36 : 8,569 = 2,597.20 : x
  2. Step 2: Convert to fraction form
    5,716.36/8,569 = 2,597.20/x
  3. Step 3: Cross multiply
    5,716.36x = 8,569 × 2,597.20
  4. Step 4: Simplify right side
    5,716.36x = 22,255,406.80
  5. Step 5: Solve for x
    x = 22,255,406.80/5,716.36
  6. Step 6: Final answer
    x = 3,893.28

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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.