Home / 5,916.15-8,161.70-3,896.95

Finding the Fourth Proportional to 5,916.15, 8,161.70 and 3,896.95

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Solution

The fourth proportional to 5,916.15, 8,161.70 and 3,896.95 is: 5,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.15 : 8,161.70 = 3,896.95 : x
  2. Step 2: Convert to fraction form
    5,916.15/8,161.70 = 3,896.95/x
  3. Step 3: Cross multiply
    5,916.15x = 8,161.70 × 3,896.95
  4. Step 4: Simplify right side
    5,916.15x = 31,805,717.33
  5. Step 5: Solve for x
    x = 31,805,717.33/5,916.15
  6. Step 6: Final answer
    x = 5,376.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.