Home / 5,039.24-6,952.88-3,147.88

Finding the Fourth Proportional to 5,039.24, 6,952.88 and 3,147.88

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Solution

The fourth proportional to 5,039.24, 6,952.88 and 3,147.88 is: 4,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.24 : 6,952.88 = 3,147.88 : x
  2. Step 2: Convert to fraction form
    5,039.24/6,952.88 = 3,147.88/x
  3. Step 3: Cross multiply
    5,039.24x = 6,952.88 × 3,147.88
  4. Step 4: Simplify right side
    5,039.24x = 21,886,831.89
  5. Step 5: Solve for x
    x = 21,886,831.89/5,039.24
  6. Step 6: Final answer
    x = 4,343.28

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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.