Home / 3,368.61-4,648.71-1,876.52

Finding the Fourth Proportional to 3,368.61, 4,648.71 and 1,876.52

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Solution

The fourth proportional to 3,368.61, 4,648.71 and 1,876.52 is: 2,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.61 : 4,648.71 = 1,876.52 : x
  2. Step 2: Convert to fraction form
    3,368.61/4,648.71 = 1,876.52/x
  3. Step 3: Cross multiply
    3,368.61x = 4,648.71 × 1,876.52
  4. Step 4: Simplify right side
    3,368.61x = 8,723,374.05
  5. Step 5: Solve for x
    x = 8,723,374.05/3,368.61
  6. Step 6: Final answer
    x = 2,589.61

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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.