Home / 5,285.38-7,293.80-3,047.24

Finding the Fourth Proportional to 5,285.38, 7,293.80 and 3,047.24

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Solution

The fourth proportional to 5,285.38, 7,293.80 and 3,047.24 is: 4,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.38 : 7,293.80 = 3,047.24 : x
  2. Step 2: Convert to fraction form
    5,285.38/7,293.80 = 3,047.24/x
  3. Step 3: Cross multiply
    5,285.38x = 7,293.80 × 3,047.24
  4. Step 4: Simplify right side
    5,285.38x = 22,225,922.64
  5. Step 5: Solve for x
    x = 22,225,922.64/5,285.38
  6. Step 6: Final answer
    x = 4,205.17

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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.