Home / 3,099.57-4,278.14-1,774.04

Finding the Fourth Proportional to 3,099.57, 4,278.14 and 1,774.04

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Solution

The fourth proportional to 3,099.57, 4,278.14 and 1,774.04 is: 2,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.57 : 4,278.14 = 1,774.04 : x
  2. Step 2: Convert to fraction form
    3,099.57/4,278.14 = 1,774.04/x
  3. Step 3: Cross multiply
    3,099.57x = 4,278.14 × 1,774.04
  4. Step 4: Simplify right side
    3,099.57x = 7,589,567.88
  5. Step 5: Solve for x
    x = 7,589,567.88/3,099.57
  6. Step 6: Final answer
    x = 2,448.59

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1.5x scale

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.