Home / 4,959.86-6,844.25-2,721.69

Finding the Fourth Proportional to 4,959.86, 6,844.25 and 2,721.69

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Solution

The fourth proportional to 4,959.86, 6,844.25 and 2,721.69 is: 3,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.86 : 6,844.25 = 2,721.69 : x
  2. Step 2: Convert to fraction form
    4,959.86/6,844.25 = 2,721.69/x
  3. Step 3: Cross multiply
    4,959.86x = 6,844.25 × 2,721.69
  4. Step 4: Simplify right side
    4,959.86x = 18,627,913.17
  5. Step 5: Solve for x
    x = 18,627,913.17/4,959.86
  6. Step 6: Final answer
    x = 3,755.74

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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.