Home / 3,195.95-4,410.72-1,869.57

Finding the Fourth Proportional to 3,195.95, 4,410.72 and 1,869.57

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Solution

The fourth proportional to 3,195.95, 4,410.72 and 1,869.57 is: 2,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.95 : 4,410.72 = 1,869.57 : x
  2. Step 2: Convert to fraction form
    3,195.95/4,410.72 = 1,869.57/x
  3. Step 3: Cross multiply
    3,195.95x = 4,410.72 × 1,869.57
  4. Step 4: Simplify right side
    3,195.95x = 8,246,149.79
  5. Step 5: Solve for x
    x = 8,246,149.79/3,195.95
  6. Step 6: Final answer
    x = 2,580.19

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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.