Home / 7,589.07-11,384.98-3,431.04

Finding the Fourth Proportional to 7,589.07, 11,384.98 and 3,431.04

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Solution

The fourth proportional to 7,589.07, 11,384.98 and 3,431.04 is: 5,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.07 : 11,384.98 = 3,431.04 : x
  2. Step 2: Convert to fraction form
    7,589.07/11,384.98 = 3,431.04/x
  3. Step 3: Cross multiply
    7,589.07x = 11,384.98 × 3,431.04
  4. Step 4: Simplify right side
    7,589.07x = 39,062,264.07
  5. Step 5: Solve for x
    x = 39,062,264.07/7,589.07
  6. Step 6: Final answer
    x = 5,147.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.