Home / 2,543.72-3,813.48-1,617.36

Finding the Fourth Proportional to 2,543.72, 3,813.48 and 1,617.36

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Solution

The fourth proportional to 2,543.72, 3,813.48 and 1,617.36 is: 2,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.72 : 3,813.48 = 1,617.36 : x
  2. Step 2: Convert to fraction form
    2,543.72/3,813.48 = 1,617.36/x
  3. Step 3: Cross multiply
    2,543.72x = 3,813.48 × 1,617.36
  4. Step 4: Simplify right side
    2,543.72x = 6,167,770.01
  5. Step 5: Solve for x
    x = 6,167,770.01/2,543.72
  6. Step 6: Final answer
    x = 2,424.70

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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.