Home / 6,231.02-8,598.81-3,992.90

Finding the Fourth Proportional to 6,231.02, 8,598.81 and 3,992.90

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Solution

The fourth proportional to 6,231.02, 8,598.81 and 3,992.90 is: 5,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.02 : 8,598.81 = 3,992.90 : x
  2. Step 2: Convert to fraction form
    6,231.02/8,598.81 = 3,992.90/x
  3. Step 3: Cross multiply
    6,231.02x = 8,598.81 × 3,992.90
  4. Step 4: Simplify right side
    6,231.02x = 34,334,145.45
  5. Step 5: Solve for x
    x = 34,334,145.45/6,231.02
  6. Step 6: Final answer
    x = 5,510.20

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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.