Home / 2,778.10-4,162.32-1,952.51

Finding the Fourth Proportional to 2,778.10, 4,162.32 and 1,952.51

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Solution

The fourth proportional to 2,778.10, 4,162.32 and 1,952.51 is: 2,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.10 : 4,162.32 = 1,952.51 : x
  2. Step 2: Convert to fraction form
    2,778.10/4,162.32 = 1,952.51/x
  3. Step 3: Cross multiply
    2,778.10x = 4,162.32 × 1,952.51
  4. Step 4: Simplify right side
    2,778.10x = 8,126,950.61
  5. Step 5: Solve for x
    x = 8,126,950.61/2,778.10
  6. Step 6: Final answer
    x = 2,925.37

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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.