Home / 7,391.45-10,201.89-4,874.01

Finding the Fourth Proportional to 7,391.45, 10,201.89 and 4,874.01

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Solution

The fourth proportional to 7,391.45, 10,201.89 and 4,874.01 is: 6,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.45 : 10,201.89 = 4,874.01 : x
  2. Step 2: Convert to fraction form
    7,391.45/10,201.89 = 4,874.01/x
  3. Step 3: Cross multiply
    7,391.45x = 10,201.89 × 4,874.01
  4. Step 4: Simplify right side
    7,391.45x = 49,724,113.88
  5. Step 5: Solve for x
    x = 49,724,113.88/7,391.45
  6. Step 6: Final answer
    x = 6,727.25

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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.