Home / 2,963.90-4,441.98-1,113.32

Finding the Fourth Proportional to 2,963.90, 4,441.98 and 1,113.32

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Solution

The fourth proportional to 2,963.90, 4,441.98 and 1,113.32 is: 1,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.90 : 4,441.98 = 1,113.32 : x
  2. Step 2: Convert to fraction form
    2,963.90/4,441.98 = 1,113.32/x
  3. Step 3: Cross multiply
    2,963.90x = 4,441.98 × 1,113.32
  4. Step 4: Simplify right side
    2,963.90x = 4,945,345.17
  5. Step 5: Solve for x
    x = 4,945,345.17/2,963.90
  6. Step 6: Final answer
    x = 1,668.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.