Home / 3,007.48-4,147.66-2,223.48

Finding the Fourth Proportional to 3,007.48, 4,147.66 and 2,223.48

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Solution

The fourth proportional to 3,007.48, 4,147.66 and 2,223.48 is: 3,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.48 : 4,147.66 = 2,223.48 : x
  2. Step 2: Convert to fraction form
    3,007.48/4,147.66 = 2,223.48/x
  3. Step 3: Cross multiply
    3,007.48x = 4,147.66 × 2,223.48
  4. Step 4: Simplify right side
    3,007.48x = 9,222,239.06
  5. Step 5: Solve for x
    x = 9,222,239.06/3,007.48
  6. Step 6: Final answer
    x = 3,066.43

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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.