Home / 5,302.48-7,318.30-2,945.38

Finding the Fourth Proportional to 5,302.48, 7,318.30 and 2,945.38

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Solution

The fourth proportional to 5,302.48, 7,318.30 and 2,945.38 is: 4,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.48 : 7,318.30 = 2,945.38 : x
  2. Step 2: Convert to fraction form
    5,302.48/7,318.30 = 2,945.38/x
  3. Step 3: Cross multiply
    5,302.48x = 7,318.30 × 2,945.38
  4. Step 4: Simplify right side
    5,302.48x = 21,555,174.45
  5. Step 5: Solve for x
    x = 21,555,174.45/5,302.48
  6. Step 6: Final answer
    x = 4,065.11

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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.