Home / 5,461.28-8,191.80-2,343.32

Finding the Fourth Proportional to 5,461.28, 8,191.80 and 2,343.32

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Solution

The fourth proportional to 5,461.28, 8,191.80 and 2,343.32 is: 3,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.28 : 8,191.80 = 2,343.32 : x
  2. Step 2: Convert to fraction form
    5,461.28/8,191.80 = 2,343.32/x
  3. Step 3: Cross multiply
    5,461.28x = 8,191.80 × 2,343.32
  4. Step 4: Simplify right side
    5,461.28x = 19,196,008.78
  5. Step 5: Solve for x
    x = 19,196,008.78/5,461.28
  6. Step 6: Final answer
    x = 3,514.93

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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.