Home / 4,645.55-6,408.82-2,876.82

Finding the Fourth Proportional to 4,645.55, 6,408.82 and 2,876.82

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Solution

The fourth proportional to 4,645.55, 6,408.82 and 2,876.82 is: 3,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.55 : 6,408.82 = 2,876.82 : x
  2. Step 2: Convert to fraction form
    4,645.55/6,408.82 = 2,876.82/x
  3. Step 3: Cross multiply
    4,645.55x = 6,408.82 × 2,876.82
  4. Step 4: Simplify right side
    4,645.55x = 18,437,001.12
  5. Step 5: Solve for x
    x = 18,437,001.12/4,645.55
  6. Step 6: Final answer
    x = 3,968.74

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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.