Home / 2,091.57-2,884.36-1,252.14

Finding the Fourth Proportional to 2,091.57, 2,884.36 and 1,252.14

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Solution

The fourth proportional to 2,091.57, 2,884.36 and 1,252.14 is: 1,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.57 : 2,884.36 = 1,252.14 : x
  2. Step 2: Convert to fraction form
    2,091.57/2,884.36 = 1,252.14/x
  3. Step 3: Cross multiply
    2,091.57x = 2,884.36 × 1,252.14
  4. Step 4: Simplify right side
    2,091.57x = 3,611,622.53
  5. Step 5: Solve for x
    x = 3,611,622.53/2,091.57
  6. Step 6: Final answer
    x = 1,726.75

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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.