Home / 6,550.72-9,037.38-3,897.16

Finding the Fourth Proportional to 6,550.72, 9,037.38 and 3,897.16

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Solution

The fourth proportional to 6,550.72, 9,037.38 and 3,897.16 is: 5,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.72 : 9,037.38 = 3,897.16 : x
  2. Step 2: Convert to fraction form
    6,550.72/9,037.38 = 3,897.16/x
  3. Step 3: Cross multiply
    6,550.72x = 9,037.38 × 3,897.16
  4. Step 4: Simplify right side
    6,550.72x = 35,220,115.84
  5. Step 5: Solve for x
    x = 35,220,115.84/6,550.72
  6. Step 6: Final answer
    x = 5,376.53

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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.