Home / 5,084.95-7,622.17-2,125.11

Finding the Fourth Proportional to 5,084.95, 7,622.17 and 2,125.11

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Solution

The fourth proportional to 5,084.95, 7,622.17 and 2,125.11 is: 3,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.95 : 7,622.17 = 2,125.11 : x
  2. Step 2: Convert to fraction form
    5,084.95/7,622.17 = 2,125.11/x
  3. Step 3: Cross multiply
    5,084.95x = 7,622.17 × 2,125.11
  4. Step 4: Simplify right side
    5,084.95x = 16,197,956.00
  5. Step 5: Solve for x
    x = 16,197,956.00/5,084.95
  6. Step 6: Final answer
    x = 3,185.47

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1.5x scale

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.