Home / 3,445.86-4,755.32-1,873.95

Finding the Fourth Proportional to 3,445.86, 4,755.32 and 1,873.95

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Solution

The fourth proportional to 3,445.86, 4,755.32 and 1,873.95 is: 2,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.86 : 4,755.32 = 1,873.95 : x
  2. Step 2: Convert to fraction form
    3,445.86/4,755.32 = 1,873.95/x
  3. Step 3: Cross multiply
    3,445.86x = 4,755.32 × 1,873.95
  4. Step 4: Simplify right side
    3,445.86x = 8,911,231.91
  5. Step 5: Solve for x
    x = 8,911,231.91/3,445.86
  6. Step 6: Final answer
    x = 2,586.07

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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.