Home / 5,391.70-7,448.61-4,269.04

Finding the Fourth Proportional to 5,391.70, 7,448.61 and 4,269.04

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Solution

The fourth proportional to 5,391.70, 7,448.61 and 4,269.04 is: 5,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.70 : 7,448.61 = 4,269.04 : x
  2. Step 2: Convert to fraction form
    5,391.70/7,448.61 = 4,269.04/x
  3. Step 3: Cross multiply
    5,391.70x = 7,448.61 × 4,269.04
  4. Step 4: Simplify right side
    5,391.70x = 31,798,414.03
  5. Step 5: Solve for x
    x = 31,798,414.03/5,391.70
  6. Step 6: Final answer
    x = 5,897.66

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1.5x scale

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.