Home / 7,280.24-10,916.52-3,174

Finding the Fourth Proportional to 7,280.24, 10,916.52 and 3,174

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Solution

The fourth proportional to 7,280.24, 10,916.52 and 3,174 is: 4,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.24 : 10,916.52 = 3,174 : x
  2. Step 2: Convert to fraction form
    7,280.24/10,916.52 = 3,174/x
  3. Step 3: Cross multiply
    7,280.24x = 10,916.52 × 3,174
  4. Step 4: Simplify right side
    7,280.24x = 34,649,034.48
  5. Step 5: Solve for x
    x = 34,649,034.48/7,280.24
  6. Step 6: Final answer
    x = 4,759.33

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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.