Home / 5,589.73-7,713.95-3,072.07

Finding the Fourth Proportional to 5,589.73, 7,713.95 and 3,072.07

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Solution

The fourth proportional to 5,589.73, 7,713.95 and 3,072.07 is: 4,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.73 : 7,713.95 = 3,072.07 : x
  2. Step 2: Convert to fraction form
    5,589.73/7,713.95 = 3,072.07/x
  3. Step 3: Cross multiply
    5,589.73x = 7,713.95 × 3,072.07
  4. Step 4: Simplify right side
    5,589.73x = 23,697,821.34
  5. Step 5: Solve for x
    x = 23,697,821.34/5,589.73
  6. Step 6: Final answer
    x = 4,239.53

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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.