Home / 2,113.98-3,170.86-943.26

Finding the Fourth Proportional to 2,113.98, 3,170.86 and 943.26

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Solution

The fourth proportional to 2,113.98, 3,170.86 and 943.26 is: 1,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.98 : 3,170.86 = 943.26 : x
  2. Step 2: Convert to fraction form
    2,113.98/3,170.86 = 943.26/x
  3. Step 3: Cross multiply
    2,113.98x = 3,170.86 × 943.26
  4. Step 4: Simplify right side
    2,113.98x = 2,990,945.40
  5. Step 5: Solve for x
    x = 2,990,945.40/2,113.98
  6. Step 6: Final answer
    x = 1,414.84

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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.