Home / 4,885.98-7,331.94-2,113.38

Finding the Fourth Proportional to 4,885.98, 7,331.94 and 2,113.38

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Solution

The fourth proportional to 4,885.98, 7,331.94 and 2,113.38 is: 3,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.98 : 7,331.94 = 2,113.38 : x
  2. Step 2: Convert to fraction form
    4,885.98/7,331.94 = 2,113.38/x
  3. Step 3: Cross multiply
    4,885.98x = 7,331.94 × 2,113.38
  4. Step 4: Simplify right side
    4,885.98x = 15,495,175.36
  5. Step 5: Solve for x
    x = 15,495,175.36/4,885.98
  6. Step 6: Final answer
    x = 3,171.35

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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.