Home / 5,280.36-7,928.73-5,046.62

Finding the Fourth Proportional to 5,280.36, 7,928.73 and 5,046.62

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Solution

The fourth proportional to 5,280.36, 7,928.73 and 5,046.62 is: 7,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.36 : 7,928.73 = 5,046.62 : x
  2. Step 2: Convert to fraction form
    5,280.36/7,928.73 = 5,046.62/x
  3. Step 3: Cross multiply
    5,280.36x = 7,928.73 × 5,046.62
  4. Step 4: Simplify right side
    5,280.36x = 40,013,247.75
  5. Step 5: Solve for x
    x = 40,013,247.75/5,280.36
  6. Step 6: Final answer
    x = 7,577.75

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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.