Home / 5,273.13-7,913.55-3,890.19

Finding the Fourth Proportional to 5,273.13, 7,913.55 and 3,890.19

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Solution

The fourth proportional to 5,273.13, 7,913.55 and 3,890.19 is: 5,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.13 : 7,913.55 = 3,890.19 : x
  2. Step 2: Convert to fraction form
    5,273.13/7,913.55 = 3,890.19/x
  3. Step 3: Cross multiply
    5,273.13x = 7,913.55 × 3,890.19
  4. Step 4: Simplify right side
    5,273.13x = 30,785,235.46
  5. Step 5: Solve for x
    x = 30,785,235.46/5,273.13
  6. Step 6: Final answer
    x = 5,838.13

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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.