Home / 2,017.27-2,783.58-1,177.90

Finding the Fourth Proportional to 2,017.27, 2,783.58 and 1,177.90

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Solution

The fourth proportional to 2,017.27, 2,783.58 and 1,177.90 is: 1,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.27 : 2,783.58 = 1,177.90 : x
  2. Step 2: Convert to fraction form
    2,017.27/2,783.58 = 1,177.90/x
  3. Step 3: Cross multiply
    2,017.27x = 2,783.58 × 1,177.90
  4. Step 4: Simplify right side
    2,017.27x = 3,278,778.88
  5. Step 5: Solve for x
    x = 3,278,778.88/2,017.27
  6. Step 6: Final answer
    x = 1,625.35

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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.