Home / 2,197.04-3,292.29-2,142.70

Finding the Fourth Proportional to 2,197.04, 3,292.29 and 2,142.70

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Solution

The fourth proportional to 2,197.04, 3,292.29 and 2,142.70 is: 3,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.04 : 3,292.29 = 2,142.70 : x
  2. Step 2: Convert to fraction form
    2,197.04/3,292.29 = 2,142.70/x
  3. Step 3: Cross multiply
    2,197.04x = 3,292.29 × 2,142.70
  4. Step 4: Simplify right side
    2,197.04x = 7,054,381.55
  5. Step 5: Solve for x
    x = 7,054,381.55/2,197.04
  6. Step 6: Final answer
    x = 3,210.86

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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.