Home / 3,197.21-4,412.14-1,870.66

Finding the Fourth Proportional to 3,197.21, 4,412.14 and 1,870.66

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Solution

The fourth proportional to 3,197.21, 4,412.14 and 1,870.66 is: 2,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.21 : 4,412.14 = 1,870.66 : x
  2. Step 2: Convert to fraction form
    3,197.21/4,412.14 = 1,870.66/x
  3. Step 3: Cross multiply
    3,197.21x = 4,412.14 × 1,870.66
  4. Step 4: Simplify right side
    3,197.21x = 8,253,598.11
  5. Step 5: Solve for x
    x = 8,253,598.11/3,197.21
  6. Step 6: Final answer
    x = 2,581.50

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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.