Home / 2,077.12-2,866.30-1,192.84

Finding the Fourth Proportional to 2,077.12, 2,866.30 and 1,192.84

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Solution

The fourth proportional to 2,077.12, 2,866.30 and 1,192.84 is: 1,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.12 : 2,866.30 = 1,192.84 : x
  2. Step 2: Convert to fraction form
    2,077.12/2,866.30 = 1,192.84/x
  3. Step 3: Cross multiply
    2,077.12x = 2,866.30 × 1,192.84
  4. Step 4: Simplify right side
    2,077.12x = 3,419,037.29
  5. Step 5: Solve for x
    x = 3,419,037.29/2,077.12
  6. Step 6: Final answer
    x = 1,646.05

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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.