Home / 2,095.22-3,143.28-708.49

Finding the Fourth Proportional to 2,095.22, 3,143.28 and 708.49

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Solution

The fourth proportional to 2,095.22, 3,143.28 and 708.49 is: 1,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.22 : 3,143.28 = 708.49 : x
  2. Step 2: Convert to fraction form
    2,095.22/3,143.28 = 708.49/x
  3. Step 3: Cross multiply
    2,095.22x = 3,143.28 × 708.49
  4. Step 4: Simplify right side
    2,095.22x = 2,226,982.45
  5. Step 5: Solve for x
    x = 2,226,982.45/2,095.22
  6. Step 6: Final answer
    x = 1,062.89

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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.