Home / 5,676.55-7,833.51-3,158.56

Finding the Fourth Proportional to 5,676.55, 7,833.51 and 3,158.56

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Solution

The fourth proportional to 5,676.55, 7,833.51 and 3,158.56 is: 4,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.55 : 7,833.51 = 3,158.56 : x
  2. Step 2: Convert to fraction form
    5,676.55/7,833.51 = 3,158.56/x
  3. Step 3: Cross multiply
    5,676.55x = 7,833.51 × 3,158.56
  4. Step 4: Simplify right side
    5,676.55x = 24,742,621.14
  5. Step 5: Solve for x
    x = 24,742,621.14/5,676.55
  6. Step 6: Final answer
    x = 4,358.74

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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.