Home / 3,307.24-4,562.04-1,909

Finding the Fourth Proportional to 3,307.24, 4,562.04 and 1,909

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Solution

The fourth proportional to 3,307.24, 4,562.04 and 1,909 is: 2,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.24 : 4,562.04 = 1,909 : x
  2. Step 2: Convert to fraction form
    3,307.24/4,562.04 = 1,909/x
  3. Step 3: Cross multiply
    3,307.24x = 4,562.04 × 1,909
  4. Step 4: Simplify right side
    3,307.24x = 8,708,934.36
  5. Step 5: Solve for x
    x = 8,708,934.36/3,307.24
  6. Step 6: Final answer
    x = 2,633.29

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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.