Home / 4,990.85-6,886.10-3,662.24

Finding the Fourth Proportional to 4,990.85, 6,886.10 and 3,662.24

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Solution

The fourth proportional to 4,990.85, 6,886.10 and 3,662.24 is: 5,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.85 : 6,886.10 = 3,662.24 : x
  2. Step 2: Convert to fraction form
    4,990.85/6,886.10 = 3,662.24/x
  3. Step 3: Cross multiply
    4,990.85x = 6,886.10 × 3,662.24
  4. Step 4: Simplify right side
    4,990.85x = 25,218,532.55
  5. Step 5: Solve for x
    x = 25,218,532.55/4,990.85
  6. Step 6: Final answer
    x = 5,052.96

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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.