Home / 5,283.16-7,288.86-3,186.52

Finding the Fourth Proportional to 5,283.16, 7,288.86 and 3,186.52

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Solution

The fourth proportional to 5,283.16, 7,288.86 and 3,186.52 is: 4,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.16 : 7,288.86 = 3,186.52 : x
  2. Step 2: Convert to fraction form
    5,283.16/7,288.86 = 3,186.52/x
  3. Step 3: Cross multiply
    5,283.16x = 7,288.86 × 3,186.52
  4. Step 4: Simplify right side
    5,283.16x = 23,226,098.17
  5. Step 5: Solve for x
    x = 23,226,098.17/5,283.16
  6. Step 6: Final answer
    x = 4,396.25

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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.