Home / 5,084.48-7,631.12-2,315.36

Finding the Fourth Proportional to 5,084.48, 7,631.12 and 2,315.36

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Solution

The fourth proportional to 5,084.48, 7,631.12 and 2,315.36 is: 3,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.48 : 7,631.12 = 2,315.36 : x
  2. Step 2: Convert to fraction form
    5,084.48/7,631.12 = 2,315.36/x
  3. Step 3: Cross multiply
    5,084.48x = 7,631.12 × 2,315.36
  4. Step 4: Simplify right side
    5,084.48x = 17,668,790.00
  5. Step 5: Solve for x
    x = 17,668,790.00/5,084.48
  6. Step 6: Final answer
    x = 3,475.04

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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.