Home / 5,295.11-7,947.79-2,831.63

Finding the Fourth Proportional to 5,295.11, 7,947.79 and 2,831.63

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Solution

The fourth proportional to 5,295.11, 7,947.79 and 2,831.63 is: 4,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.11 : 7,947.79 = 2,831.63 : x
  2. Step 2: Convert to fraction form
    5,295.11/7,947.79 = 2,831.63/x
  3. Step 3: Cross multiply
    5,295.11x = 7,947.79 × 2,831.63
  4. Step 4: Simplify right side
    5,295.11x = 22,505,153.78
  5. Step 5: Solve for x
    x = 22,505,153.78/5,295.11
  6. Step 6: Final answer
    x = 4,250.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.