Home / 1,941.74-2,679.52-1,057.55

Finding the Fourth Proportional to 1,941.74, 2,679.52 and 1,057.55

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Solution

The fourth proportional to 1,941.74, 2,679.52 and 1,057.55 is: 1,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.74 : 2,679.52 = 1,057.55 : x
  2. Step 2: Convert to fraction form
    1,941.74/2,679.52 = 1,057.55/x
  3. Step 3: Cross multiply
    1,941.74x = 2,679.52 × 1,057.55
  4. Step 4: Simplify right side
    1,941.74x = 2,833,723.73
  5. Step 5: Solve for x
    x = 2,833,723.73/1,941.74
  6. Step 6: Final answer
    x = 1,459.37

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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.