Home / 3,541.87-4,887.69-1,948.44

Finding the Fourth Proportional to 3,541.87, 4,887.69 and 1,948.44

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Solution

The fourth proportional to 3,541.87, 4,887.69 and 1,948.44 is: 2,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.87 : 4,887.69 = 1,948.44 : x
  2. Step 2: Convert to fraction form
    3,541.87/4,887.69 = 1,948.44/x
  3. Step 3: Cross multiply
    3,541.87x = 4,887.69 × 1,948.44
  4. Step 4: Simplify right side
    3,541.87x = 9,523,370.70
  5. Step 5: Solve for x
    x = 9,523,370.70/3,541.87
  6. Step 6: Final answer
    x = 2,688.80

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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.