Home / 2,192.13-3,023.82-1,445.85

Finding the Fourth Proportional to 2,192.13, 3,023.82 and 1,445.85

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Solution

The fourth proportional to 2,192.13, 3,023.82 and 1,445.85 is: 1,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.13 : 3,023.82 = 1,445.85 : x
  2. Step 2: Convert to fraction form
    2,192.13/3,023.82 = 1,445.85/x
  3. Step 3: Cross multiply
    2,192.13x = 3,023.82 × 1,445.85
  4. Step 4: Simplify right side
    2,192.13x = 4,371,990.15
  5. Step 5: Solve for x
    x = 4,371,990.15/2,192.13
  6. Step 6: Final answer
    x = 1,994.40

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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.