Home / 7,180.77-9,908.96-4,037.43

Finding the Fourth Proportional to 7,180.77, 9,908.96 and 4,037.43

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Solution

The fourth proportional to 7,180.77, 9,908.96 and 4,037.43 is: 5,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.77 : 9,908.96 = 4,037.43 : x
  2. Step 2: Convert to fraction form
    7,180.77/9,908.96 = 4,037.43/x
  3. Step 3: Cross multiply
    7,180.77x = 9,908.96 × 4,037.43
  4. Step 4: Simplify right side
    7,180.77x = 40,006,712.19
  5. Step 5: Solve for x
    x = 40,006,712.19/7,180.77
  6. Step 6: Final answer
    x = 5,571.37

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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.