Home / 7,320.44-10,099.72-4,133.36

Finding the Fourth Proportional to 7,320.44, 10,099.72 and 4,133.36

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Solution

The fourth proportional to 7,320.44, 10,099.72 and 4,133.36 is: 5,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.44 : 10,099.72 = 4,133.36 : x
  2. Step 2: Convert to fraction form
    7,320.44/10,099.72 = 4,133.36/x
  3. Step 3: Cross multiply
    7,320.44x = 10,099.72 × 4,133.36
  4. Step 4: Simplify right side
    7,320.44x = 41,745,778.66
  5. Step 5: Solve for x
    x = 41,745,778.66/7,320.44
  6. Step 6: Final answer
    x = 5,702.63

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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.