Home / 5,319.78-7,954.32-4,855.04

Finding the Fourth Proportional to 5,319.78, 7,954.32 and 4,855.04

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Solution

The fourth proportional to 5,319.78, 7,954.32 and 4,855.04 is: 7,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.78 : 7,954.32 = 4,855.04 : x
  2. Step 2: Convert to fraction form
    5,319.78/7,954.32 = 4,855.04/x
  3. Step 3: Cross multiply
    5,319.78x = 7,954.32 × 4,855.04
  4. Step 4: Simplify right side
    5,319.78x = 38,618,541.77
  5. Step 5: Solve for x
    x = 38,618,541.77/5,319.78
  6. Step 6: Final answer
    x = 7,259.42

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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.