Home / 5,276.16-7,909.44-2,196.48

Finding the Fourth Proportional to 5,276.16, 7,909.44 and 2,196.48

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Solution

The fourth proportional to 5,276.16, 7,909.44 and 2,196.48 is: 3,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.16 : 7,909.44 = 2,196.48 : x
  2. Step 2: Convert to fraction form
    5,276.16/7,909.44 = 2,196.48/x
  3. Step 3: Cross multiply
    5,276.16x = 7,909.44 × 2,196.48
  4. Step 4: Simplify right side
    5,276.16x = 17,372,926.77
  5. Step 5: Solve for x
    x = 17,372,926.77/5,276.16
  6. Step 6: Final answer
    x = 3,292.72

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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.