Home / 5,242.75-7,229.09-4,045.01

Finding the Fourth Proportional to 5,242.75, 7,229.09 and 4,045.01

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Solution

The fourth proportional to 5,242.75, 7,229.09 and 4,045.01 is: 5,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.75 : 7,229.09 = 4,045.01 : x
  2. Step 2: Convert to fraction form
    5,242.75/7,229.09 = 4,045.01/x
  3. Step 3: Cross multiply
    5,242.75x = 7,229.09 × 4,045.01
  4. Step 4: Simplify right side
    5,242.75x = 29,241,769.53
  5. Step 5: Solve for x
    x = 29,241,769.53/5,242.75
  6. Step 6: Final answer
    x = 5,577.57

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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.