Home / 6,187.12-8,538.66-3,534.92

Finding the Fourth Proportional to 6,187.12, 8,538.66 and 3,534.92

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Solution

The fourth proportional to 6,187.12, 8,538.66 and 3,534.92 is: 4,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.12 : 8,538.66 = 3,534.92 : x
  2. Step 2: Convert to fraction form
    6,187.12/8,538.66 = 3,534.92/x
  3. Step 3: Cross multiply
    6,187.12x = 8,538.66 × 3,534.92
  4. Step 4: Simplify right side
    6,187.12x = 30,183,480.01
  5. Step 5: Solve for x
    x = 30,183,480.01/6,187.12
  6. Step 6: Final answer
    x = 4,878.44

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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.