Home / 2,791.04-4,162.20-2,445.98

Finding the Fourth Proportional to 2,791.04, 4,162.20 and 2,445.98

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Solution

The fourth proportional to 2,791.04, 4,162.20 and 2,445.98 is: 3,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.04 : 4,162.20 = 2,445.98 : x
  2. Step 2: Convert to fraction form
    2,791.04/4,162.20 = 2,445.98/x
  3. Step 3: Cross multiply
    2,791.04x = 4,162.20 × 2,445.98
  4. Step 4: Simplify right side
    2,791.04x = 10,180,657.96
  5. Step 5: Solve for x
    x = 10,180,657.96/2,791.04
  6. Step 6: Final answer
    x = 3,647.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.