Home / 2,972.15-4,101.70-1,793.19

Finding the Fourth Proportional to 2,972.15, 4,101.70 and 1,793.19

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Solution

The fourth proportional to 2,972.15, 4,101.70 and 1,793.19 is: 2,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.15 : 4,101.70 = 1,793.19 : x
  2. Step 2: Convert to fraction form
    2,972.15/4,101.70 = 1,793.19/x
  3. Step 3: Cross multiply
    2,972.15x = 4,101.70 × 1,793.19
  4. Step 4: Simplify right side
    2,972.15x = 7,355,127.42
  5. Step 5: Solve for x
    x = 7,355,127.42/2,972.15
  6. Step 6: Final answer
    x = 2,474.69

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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.