Home / 4,253.20-6,368.28-2,196.88

Finding the Fourth Proportional to 4,253.20, 6,368.28 and 2,196.88

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Solution

The fourth proportional to 4,253.20, 6,368.28 and 2,196.88 is: 3,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.20 : 6,368.28 = 2,196.88 : x
  2. Step 2: Convert to fraction form
    4,253.20/6,368.28 = 2,196.88/x
  3. Step 3: Cross multiply
    4,253.20x = 6,368.28 × 2,196.88
  4. Step 4: Simplify right side
    4,253.20x = 13,990,346.97
  5. Step 5: Solve for x
    x = 13,990,346.97/4,253.20
  6. Step 6: Final answer
    x = 3,289.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.