Home / 5,726.81-8,591.54-1,777.86

Finding the Fourth Proportional to 5,726.81, 8,591.54 and 1,777.86

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Solution

The fourth proportional to 5,726.81, 8,591.54 and 1,777.86 is: 2,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.81 : 8,591.54 = 1,777.86 : x
  2. Step 2: Convert to fraction form
    5,726.81/8,591.54 = 1,777.86/x
  3. Step 3: Cross multiply
    5,726.81x = 8,591.54 × 1,777.86
  4. Step 4: Simplify right side
    5,726.81x = 15,274,546.42
  5. Step 5: Solve for x
    x = 15,274,546.42/5,726.81
  6. Step 6: Final answer
    x = 2,667.20

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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.