Home / 5,187.29-7,763.85-4,994.56

Finding the Fourth Proportional to 5,187.29, 7,763.85 and 4,994.56

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Solution

The fourth proportional to 5,187.29, 7,763.85 and 4,994.56 is: 7,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.29 : 7,763.85 = 4,994.56 : x
  2. Step 2: Convert to fraction form
    5,187.29/7,763.85 = 4,994.56/x
  3. Step 3: Cross multiply
    5,187.29x = 7,763.85 × 4,994.56
  4. Step 4: Simplify right side
    5,187.29x = 38,777,024.36
  5. Step 5: Solve for x
    x = 38,777,024.36/5,187.29
  6. Step 6: Final answer
    x = 7,475.39

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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.