Home / 3,445.85-4,755.32-1,873.98

Finding the Fourth Proportional to 3,445.85, 4,755.32 and 1,873.98

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Solution

The fourth proportional to 3,445.85, 4,755.32 and 1,873.98 is: 2,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.85 : 4,755.32 = 1,873.98 : x
  2. Step 2: Convert to fraction form
    3,445.85/4,755.32 = 1,873.98/x
  3. Step 3: Cross multiply
    3,445.85x = 4,755.32 × 1,873.98
  4. Step 4: Simplify right side
    3,445.85x = 8,911,365.20
  5. Step 5: Solve for x
    x = 8,911,365.20/3,445.85
  6. Step 6: Final answer
    x = 2,586.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.