Home / 6,191.12-8,543.75-3,538.52

Finding the Fourth Proportional to 6,191.12, 8,543.75 and 3,538.52

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Solution

The fourth proportional to 6,191.12, 8,543.75 and 3,538.52 is: 4,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.12 : 8,543.75 = 3,538.52 : x
  2. Step 2: Convert to fraction form
    6,191.12/8,543.75 = 3,538.52/x
  3. Step 3: Cross multiply
    6,191.12x = 8,543.75 × 3,538.52
  4. Step 4: Simplify right side
    6,191.12x = 30,232,169.84
  5. Step 5: Solve for x
    x = 30,232,169.84/6,191.12
  6. Step 6: Final answer
    x = 4,883.15

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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.