Home / 7,178.63-9,906.41-4,034.82

Finding the Fourth Proportional to 7,178.63, 9,906.41 and 4,034.82

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Solution

The fourth proportional to 7,178.63, 9,906.41 and 4,034.82 is: 5,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.63 : 9,906.41 = 4,034.82 : x
  2. Step 2: Convert to fraction form
    7,178.63/9,906.41 = 4,034.82/x
  3. Step 3: Cross multiply
    7,178.63x = 9,906.41 × 4,034.82
  4. Step 4: Simplify right side
    7,178.63x = 39,970,561.02
  5. Step 5: Solve for x
    x = 39,970,561.02/7,178.63
  6. Step 6: Final answer
    x = 5,568.00

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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.