Home / 7,875.50-11,813.33-3,371.95

Finding the Fourth Proportional to 7,875.50, 11,813.33 and 3,371.95

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Solution

The fourth proportional to 7,875.50, 11,813.33 and 3,371.95 is: 5,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.50 : 11,813.33 = 3,371.95 : x
  2. Step 2: Convert to fraction form
    7,875.50/11,813.33 = 3,371.95/x
  3. Step 3: Cross multiply
    7,875.50x = 11,813.33 × 3,371.95
  4. Step 4: Simplify right side
    7,875.50x = 39,833,890.60
  5. Step 5: Solve for x
    x = 39,833,890.60/7,875.50
  6. Step 6: Final answer
    x = 5,057.95

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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.