Home / 2,910.52-4,364.16-961.66

Finding the Fourth Proportional to 2,910.52, 4,364.16 and 961.66

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Solution

The fourth proportional to 2,910.52, 4,364.16 and 961.66 is: 1,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.52 : 4,364.16 = 961.66 : x
  2. Step 2: Convert to fraction form
    2,910.52/4,364.16 = 961.66/x
  3. Step 3: Cross multiply
    2,910.52x = 4,364.16 × 961.66
  4. Step 4: Simplify right side
    2,910.52x = 4,196,838.11
  5. Step 5: Solve for x
    x = 4,196,838.11/2,910.52
  6. Step 6: Final answer
    x = 1,441.95

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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.