Home / 7,252.49-10,007.81-4,022.40

Finding the Fourth Proportional to 7,252.49, 10,007.81 and 4,022.40

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Solution

The fourth proportional to 7,252.49, 10,007.81 and 4,022.40 is: 5,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.49 : 10,007.81 = 4,022.40 : x
  2. Step 2: Convert to fraction form
    7,252.49/10,007.81 = 4,022.40/x
  3. Step 3: Cross multiply
    7,252.49x = 10,007.81 × 4,022.40
  4. Step 4: Simplify right side
    7,252.49x = 40,255,414.94
  5. Step 5: Solve for x
    x = 40,255,414.94/7,252.49
  6. Step 6: Final answer
    x = 5,550.56

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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.