Home / 3,571.49-5,357.59-1,231.18

Finding the Fourth Proportional to 3,571.49, 5,357.59 and 1,231.18

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Solution

The fourth proportional to 3,571.49, 5,357.59 and 1,231.18 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.49 : 5,357.59 = 1,231.18 : x
  2. Step 2: Convert to fraction form
    3,571.49/5,357.59 = 1,231.18/x
  3. Step 3: Cross multiply
    3,571.49x = 5,357.59 × 1,231.18
  4. Step 4: Simplify right side
    3,571.49x = 6,596,178.25
  5. Step 5: Solve for x
    x = 6,596,178.25/3,571.49
  6. Step 6: Final answer
    x = 1,846.90

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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.