Home / 5,448.96-8,213.31-4,981.50

Finding the Fourth Proportional to 5,448.96, 8,213.31 and 4,981.50

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Solution

The fourth proportional to 5,448.96, 8,213.31 and 4,981.50 is: 7,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.96 : 8,213.31 = 4,981.50 : x
  2. Step 2: Convert to fraction form
    5,448.96/8,213.31 = 4,981.50/x
  3. Step 3: Cross multiply
    5,448.96x = 8,213.31 × 4,981.50
  4. Step 4: Simplify right side
    5,448.96x = 40,914,603.77
  5. Step 5: Solve for x
    x = 40,914,603.77/5,448.96
  6. Step 6: Final answer
    x = 7,508.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.