Home / 3,151.07-4,348.58-2,270.60

Finding the Fourth Proportional to 3,151.07, 4,348.58 and 2,270.60

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Solution

The fourth proportional to 3,151.07, 4,348.58 and 2,270.60 is: 3,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.07 : 4,348.58 = 2,270.60 : x
  2. Step 2: Convert to fraction form
    3,151.07/4,348.58 = 2,270.60/x
  3. Step 3: Cross multiply
    3,151.07x = 4,348.58 × 2,270.60
  4. Step 4: Simplify right side
    3,151.07x = 9,873,852.65
  5. Step 5: Solve for x
    x = 9,873,852.65/3,151.07
  6. Step 6: Final answer
    x = 3,133.50

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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.