Home / 1,774.68-2,449.20-1,066.56

Finding the Fourth Proportional to 1,774.68, 2,449.20 and 1,066.56

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Solution

The fourth proportional to 1,774.68, 2,449.20 and 1,066.56 is: 1,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.68 : 2,449.20 = 1,066.56 : x
  2. Step 2: Convert to fraction form
    1,774.68/2,449.20 = 1,066.56/x
  3. Step 3: Cross multiply
    1,774.68x = 2,449.20 × 1,066.56
  4. Step 4: Simplify right side
    1,774.68x = 2,612,218.75
  5. Step 5: Solve for x
    x = 2,612,218.75/1,774.68
  6. Step 6: Final answer
    x = 1,471.94

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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.