Home / 7,169.45-9,892.23-4,025.43

Finding the Fourth Proportional to 7,169.45, 9,892.23 and 4,025.43

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Solution

The fourth proportional to 7,169.45, 9,892.23 and 4,025.43 is: 5,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.45 : 9,892.23 = 4,025.43 : x
  2. Step 2: Convert to fraction form
    7,169.45/9,892.23 = 4,025.43/x
  3. Step 3: Cross multiply
    7,169.45x = 9,892.23 × 4,025.43
  4. Step 4: Simplify right side
    7,169.45x = 39,820,479.41
  5. Step 5: Solve for x
    x = 39,820,479.41/7,169.45
  6. Step 6: Final answer
    x = 5,554.19

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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.