Home / 5,122.96-7,682.52-4,040.08

Finding the Fourth Proportional to 5,122.96, 7,682.52 and 4,040.08

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Solution

The fourth proportional to 5,122.96, 7,682.52 and 4,040.08 is: 6,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.96 : 7,682.52 = 4,040.08 : x
  2. Step 2: Convert to fraction form
    5,122.96/7,682.52 = 4,040.08/x
  3. Step 3: Cross multiply
    5,122.96x = 7,682.52 × 4,040.08
  4. Step 4: Simplify right side
    5,122.96x = 31,037,995.40
  5. Step 5: Solve for x
    x = 31,037,995.40/5,122.96
  6. Step 6: Final answer
    x = 6,058.61

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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.