Home / 5,720.37-7,897.68-4,391.43

Finding the Fourth Proportional to 5,720.37, 7,897.68 and 4,391.43

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Solution

The fourth proportional to 5,720.37, 7,897.68 and 4,391.43 is: 6,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.37 : 7,897.68 = 4,391.43 : x
  2. Step 2: Convert to fraction form
    5,720.37/7,897.68 = 4,391.43/x
  3. Step 3: Cross multiply
    5,720.37x = 7,897.68 × 4,391.43
  4. Step 4: Simplify right side
    5,720.37x = 34,682,108.88
  5. Step 5: Solve for x
    x = 34,682,108.88/5,720.37
  6. Step 6: Final answer
    x = 6,062.91

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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.