Home / 4,984.97-6,876.52-2,888.69

Finding the Fourth Proportional to 4,984.97, 6,876.52 and 2,888.69

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Solution

The fourth proportional to 4,984.97, 6,876.52 and 2,888.69 is: 3,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.97 : 6,876.52 = 2,888.69 : x
  2. Step 2: Convert to fraction form
    4,984.97/6,876.52 = 2,888.69/x
  3. Step 3: Cross multiply
    4,984.97x = 6,876.52 × 2,888.69
  4. Step 4: Simplify right side
    4,984.97x = 19,864,092.95
  5. Step 5: Solve for x
    x = 19,864,092.95/4,984.97
  6. Step 6: Final answer
    x = 3,984.80

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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.