Home / 6,185.20-8,525.88-4,687.12

Finding the Fourth Proportional to 6,185.20, 8,525.88 and 4,687.12

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Solution

The fourth proportional to 6,185.20, 8,525.88 and 4,687.12 is: 6,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.20 : 8,525.88 = 4,687.12 : x
  2. Step 2: Convert to fraction form
    6,185.20/8,525.88 = 4,687.12/x
  3. Step 3: Cross multiply
    6,185.20x = 8,525.88 × 4,687.12
  4. Step 4: Simplify right side
    6,185.20x = 39,961,822.67
  5. Step 5: Solve for x
    x = 39,961,822.67/6,185.20
  6. Step 6: Final answer
    x = 6,460.88

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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.