Home / 4,959.18-7,428.65-2,769.08

Finding the Fourth Proportional to 4,959.18, 7,428.65 and 2,769.08

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Solution

The fourth proportional to 4,959.18, 7,428.65 and 2,769.08 is: 4,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.18 : 7,428.65 = 2,769.08 : x
  2. Step 2: Convert to fraction form
    4,959.18/7,428.65 = 2,769.08/x
  3. Step 3: Cross multiply
    4,959.18x = 7,428.65 × 2,769.08
  4. Step 4: Simplify right side
    4,959.18x = 20,570,475.15
  5. Step 5: Solve for x
    x = 20,570,475.15/4,959.18
  6. Step 6: Final answer
    x = 4,147.96

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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.