Home / 5,727.44-8,590.75-1,778.60

Finding the Fourth Proportional to 5,727.44, 8,590.75 and 1,778.60

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Solution

The fourth proportional to 5,727.44, 8,590.75 and 1,778.60 is: 2,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.44 : 8,590.75 = 1,778.60 : x
  2. Step 2: Convert to fraction form
    5,727.44/8,590.75 = 1,778.60/x
  3. Step 3: Cross multiply
    5,727.44x = 8,590.75 × 1,778.60
  4. Step 4: Simplify right side
    5,727.44x = 15,279,507.95
  5. Step 5: Solve for x
    x = 15,279,507.95/5,727.44
  6. Step 6: Final answer
    x = 2,667.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.