Home / 7,217.36-9,960.54-4,074.02

Finding the Fourth Proportional to 7,217.36, 9,960.54 and 4,074.02

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Solution

The fourth proportional to 7,217.36, 9,960.54 and 4,074.02 is: 5,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.36 : 9,960.54 = 4,074.02 : x
  2. Step 2: Convert to fraction form
    7,217.36/9,960.54 = 4,074.02/x
  3. Step 3: Cross multiply
    7,217.36x = 9,960.54 × 4,074.02
  4. Step 4: Simplify right side
    7,217.36x = 40,579,439.17
  5. Step 5: Solve for x
    x = 40,579,439.17/7,217.36
  6. Step 6: Final answer
    x = 5,622.48

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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.