Home / 4,954.67-7,427.60-2,980.90

Finding the Fourth Proportional to 4,954.67, 7,427.60 and 2,980.90

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Solution

The fourth proportional to 4,954.67, 7,427.60 and 2,980.90 is: 4,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.67 : 7,427.60 = 2,980.90 : x
  2. Step 2: Convert to fraction form
    4,954.67/7,427.60 = 2,980.90/x
  3. Step 3: Cross multiply
    4,954.67x = 7,427.60 × 2,980.90
  4. Step 4: Simplify right side
    4,954.67x = 22,140,938.40
  5. Step 5: Solve for x
    x = 22,140,938.40/4,954.67
  6. Step 6: Final answer
    x = 4,468.70

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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.