Home / 5,676.53-7,832.45-3,438.60

Finding the Fourth Proportional to 5,676.53, 7,832.45 and 3,438.60

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Solution

The fourth proportional to 5,676.53, 7,832.45 and 3,438.60 is: 4,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.53 : 7,832.45 = 3,438.60 : x
  2. Step 2: Convert to fraction form
    5,676.53/7,832.45 = 3,438.60/x
  3. Step 3: Cross multiply
    5,676.53x = 7,832.45 × 3,438.60
  4. Step 4: Simplify right side
    5,676.53x = 26,932,666.51
  5. Step 5: Solve for x
    x = 26,932,666.51/5,676.53
  6. Step 6: Final answer
    x = 4,744.56

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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.