Home / 4,691.48-7,038.20-1,769.81

Finding the Fourth Proportional to 4,691.48, 7,038.20 and 1,769.81

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Solution

The fourth proportional to 4,691.48, 7,038.20 and 1,769.81 is: 2,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.48 : 7,038.20 = 1,769.81 : x
  2. Step 2: Convert to fraction form
    4,691.48/7,038.20 = 1,769.81/x
  3. Step 3: Cross multiply
    4,691.48x = 7,038.20 × 1,769.81
  4. Step 4: Simplify right side
    4,691.48x = 12,456,245.98
  5. Step 5: Solve for x
    x = 12,456,245.98/4,691.48
  6. Step 6: Final answer
    x = 2,655.08

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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.