Home / 4,987.71-6,883.85-3,000.27

Finding the Fourth Proportional to 4,987.71, 6,883.85 and 3,000.27

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Solution

The fourth proportional to 4,987.71, 6,883.85 and 3,000.27 is: 4,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.71 : 6,883.85 = 3,000.27 : x
  2. Step 2: Convert to fraction form
    4,987.71/6,883.85 = 3,000.27/x
  3. Step 3: Cross multiply
    4,987.71x = 6,883.85 × 3,000.27
  4. Step 4: Simplify right side
    4,987.71x = 20,653,441.95
  5. Step 5: Solve for x
    x = 20,653,441.95/4,987.71
  6. Step 6: Final answer
    x = 4,140.87

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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.