Home / 5,697.24-7,862.62-3,180.16

Finding the Fourth Proportional to 5,697.24, 7,862.62 and 3,180.16

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Solution

The fourth proportional to 5,697.24, 7,862.62 and 3,180.16 is: 4,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.24 : 7,862.62 = 3,180.16 : x
  2. Step 2: Convert to fraction form
    5,697.24/7,862.62 = 3,180.16/x
  3. Step 3: Cross multiply
    5,697.24x = 7,862.62 × 3,180.16
  4. Step 4: Simplify right side
    5,697.24x = 25,004,389.62
  5. Step 5: Solve for x
    x = 25,004,389.62/5,697.24
  6. Step 6: Final answer
    x = 4,388.86

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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.