Home / 5,155.99-7,112.97-3,264.23

Finding the Fourth Proportional to 5,155.99, 7,112.97 and 3,264.23

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Solution

The fourth proportional to 5,155.99, 7,112.97 and 3,264.23 is: 4,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.99 : 7,112.97 = 3,264.23 : x
  2. Step 2: Convert to fraction form
    5,155.99/7,112.97 = 3,264.23/x
  3. Step 3: Cross multiply
    5,155.99x = 7,112.97 × 3,264.23
  4. Step 4: Simplify right side
    5,155.99x = 23,218,387.85
  5. Step 5: Solve for x
    x = 23,218,387.85/5,155.99
  6. Step 6: Final answer
    x = 4,503.19

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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.