Home / 2,440.53-3,657.99-1,139.25

Finding the Fourth Proportional to 2,440.53, 3,657.99 and 1,139.25

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Solution

The fourth proportional to 2,440.53, 3,657.99 and 1,139.25 is: 1,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.53 : 3,657.99 = 1,139.25 : x
  2. Step 2: Convert to fraction form
    2,440.53/3,657.99 = 1,139.25/x
  3. Step 3: Cross multiply
    2,440.53x = 3,657.99 × 1,139.25
  4. Step 4: Simplify right side
    2,440.53x = 4,167,365.11
  5. Step 5: Solve for x
    x = 4,167,365.11/2,440.53
  6. Step 6: Final answer
    x = 1,707.57

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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.