Home / 5,676.18-7,833-3,158.25

Finding the Fourth Proportional to 5,676.18, 7,833 and 3,158.25

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Solution

The fourth proportional to 5,676.18, 7,833 and 3,158.25 is: 4,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.18 : 7,833 = 3,158.25 : x
  2. Step 2: Convert to fraction form
    5,676.18/7,833 = 3,158.25/x
  3. Step 3: Cross multiply
    5,676.18x = 7,833 × 3,158.25
  4. Step 4: Simplify right side
    5,676.18x = 24,738,572.25
  5. Step 5: Solve for x
    x = 24,738,572.25/5,676.18
  6. Step 6: Final answer
    x = 4,358.31

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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.