Home / 7,537.01-10,400.49-4,179.77

Finding the Fourth Proportional to 7,537.01, 10,400.49 and 4,179.77

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Solution

The fourth proportional to 7,537.01, 10,400.49 and 4,179.77 is: 5,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.01 : 10,400.49 = 4,179.77 : x
  2. Step 2: Convert to fraction form
    7,537.01/10,400.49 = 4,179.77/x
  3. Step 3: Cross multiply
    7,537.01x = 10,400.49 × 4,179.77
  4. Step 4: Simplify right side
    7,537.01x = 43,471,656.09
  5. Step 5: Solve for x
    x = 43,471,656.09/7,537.01
  6. Step 6: Final answer
    x = 5,767.76

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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.