Home / 5,778.28-8,667.42-2,315.56

Finding the Fourth Proportional to 5,778.28, 8,667.42 and 2,315.56

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Solution

The fourth proportional to 5,778.28, 8,667.42 and 2,315.56 is: 3,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.28 : 8,667.42 = 2,315.56 : x
  2. Step 2: Convert to fraction form
    5,778.28/8,667.42 = 2,315.56/x
  3. Step 3: Cross multiply
    5,778.28x = 8,667.42 × 2,315.56
  4. Step 4: Simplify right side
    5,778.28x = 20,069,931.06
  5. Step 5: Solve for x
    x = 20,069,931.06/5,778.28
  6. Step 6: Final answer
    x = 3,473.34

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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.