Home / 5,689.02-7,850.73-3,171.07

Finding the Fourth Proportional to 5,689.02, 7,850.73 and 3,171.07

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Solution

The fourth proportional to 5,689.02, 7,850.73 and 3,171.07 is: 4,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.02 : 7,850.73 = 3,171.07 : x
  2. Step 2: Convert to fraction form
    5,689.02/7,850.73 = 3,171.07/x
  3. Step 3: Cross multiply
    5,689.02x = 7,850.73 × 3,171.07
  4. Step 4: Simplify right side
    5,689.02x = 24,895,218.25
  5. Step 5: Solve for x
    x = 24,895,218.25/5,689.02
  6. Step 6: Final answer
    x = 4,376.01

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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.