Home / 7,057.45-9,738.25-4,224.18

Finding the Fourth Proportional to 7,057.45, 9,738.25 and 4,224.18

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Solution

The fourth proportional to 7,057.45, 9,738.25 and 4,224.18 is: 5,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.45 : 9,738.25 = 4,224.18 : x
  2. Step 2: Convert to fraction form
    7,057.45/9,738.25 = 4,224.18/x
  3. Step 3: Cross multiply
    7,057.45x = 9,738.25 × 4,224.18
  4. Step 4: Simplify right side
    7,057.45x = 41,136,120.89
  5. Step 5: Solve for x
    x = 41,136,120.89/7,057.45
  6. Step 6: Final answer
    x = 5,828.75

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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.