Home / 3,197.12-4,412.03-1,870.56

Finding the Fourth Proportional to 3,197.12, 4,412.03 and 1,870.56

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Solution

The fourth proportional to 3,197.12, 4,412.03 and 1,870.56 is: 2,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.12 : 4,412.03 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    3,197.12/4,412.03 = 1,870.56/x
  3. Step 3: Cross multiply
    3,197.12x = 4,412.03 × 1,870.56
  4. Step 4: Simplify right side
    3,197.12x = 8,252,957.48
  5. Step 5: Solve for x
    x = 8,252,957.48/3,197.12
  6. Step 6: Final answer
    x = 2,581.38

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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.