Home / 7,099.72-9,797.87-4,227.04

Finding the Fourth Proportional to 7,099.72, 9,797.87 and 4,227.04

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Solution

The fourth proportional to 7,099.72, 9,797.87 and 4,227.04 is: 5,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.72 : 9,797.87 = 4,227.04 : x
  2. Step 2: Convert to fraction form
    7,099.72/9,797.87 = 4,227.04/x
  3. Step 3: Cross multiply
    7,099.72x = 9,797.87 × 4,227.04
  4. Step 4: Simplify right side
    7,099.72x = 41,415,970.71
  5. Step 5: Solve for x
    x = 41,415,970.71/7,099.72
  6. Step 6: Final answer
    x = 5,833.47

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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.