Home / 5,192.70-7,165.95-2,834.90

Finding the Fourth Proportional to 5,192.70, 7,165.95 and 2,834.90

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Solution

The fourth proportional to 5,192.70, 7,165.95 and 2,834.90 is: 3,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.70 : 7,165.95 = 2,834.90 : x
  2. Step 2: Convert to fraction form
    5,192.70/7,165.95 = 2,834.90/x
  3. Step 3: Cross multiply
    5,192.70x = 7,165.95 × 2,834.90
  4. Step 4: Simplify right side
    5,192.70x = 20,314,715.83
  5. Step 5: Solve for x
    x = 20,314,715.83/5,192.70
  6. Step 6: Final answer
    x = 3,912.17

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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.