Home / 2,960.76-4,087.28-2,296.08

Finding the Fourth Proportional to 2,960.76, 4,087.28 and 2,296.08

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Solution

The fourth proportional to 2,960.76, 4,087.28 and 2,296.08 is: 3,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.76 : 4,087.28 = 2,296.08 : x
  2. Step 2: Convert to fraction form
    2,960.76/4,087.28 = 2,296.08/x
  3. Step 3: Cross multiply
    2,960.76x = 4,087.28 × 2,296.08
  4. Step 4: Simplify right side
    2,960.76x = 9,384,721.86
  5. Step 5: Solve for x
    x = 9,384,721.86/2,960.76
  6. Step 6: Final answer
    x = 3,169.70

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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.