Home / 2,952.66-4,421.70-2,170.80

Finding the Fourth Proportional to 2,952.66, 4,421.70 and 2,170.80

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Solution

The fourth proportional to 2,952.66, 4,421.70 and 2,170.80 is: 3,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.66 : 4,421.70 = 2,170.80 : x
  2. Step 2: Convert to fraction form
    2,952.66/4,421.70 = 2,170.80/x
  3. Step 3: Cross multiply
    2,952.66x = 4,421.70 × 2,170.80
  4. Step 4: Simplify right side
    2,952.66x = 9,598,626.36
  5. Step 5: Solve for x
    x = 9,598,626.36/2,952.66
  6. Step 6: Final answer
    x = 3,250.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.