Home / 4,989.87-6,886.22-3,001.32

Finding the Fourth Proportional to 4,989.87, 6,886.22 and 3,001.32

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Solution

The fourth proportional to 4,989.87, 6,886.22 and 3,001.32 is: 4,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.87 : 6,886.22 = 3,001.32 : x
  2. Step 2: Convert to fraction form
    4,989.87/6,886.22 = 3,001.32/x
  3. Step 3: Cross multiply
    4,989.87x = 6,886.22 × 3,001.32
  4. Step 4: Simplify right side
    4,989.87x = 20,667,734.80
  5. Step 5: Solve for x
    x = 20,667,734.80/4,989.87
  6. Step 6: Final answer
    x = 4,141.94

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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.