Home / 7,227.36-9,974.40-4,084.08

Finding the Fourth Proportional to 7,227.36, 9,974.40 and 4,084.08

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Solution

The fourth proportional to 7,227.36, 9,974.40 and 4,084.08 is: 5,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.36 : 9,974.40 = 4,084.08 : x
  2. Step 2: Convert to fraction form
    7,227.36/9,974.40 = 4,084.08/x
  3. Step 3: Cross multiply
    7,227.36x = 9,974.40 × 4,084.08
  4. Step 4: Simplify right side
    7,227.36x = 40,736,247.55
  5. Step 5: Solve for x
    x = 40,736,247.55/7,227.36
  6. Step 6: Final answer
    x = 5,636.39

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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.