Home / 7,251.79-10,007.68-4,107.98

Finding the Fourth Proportional to 7,251.79, 10,007.68 and 4,107.98

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Solution

The fourth proportional to 7,251.79, 10,007.68 and 4,107.98 is: 5,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.79 : 10,007.68 = 4,107.98 : x
  2. Step 2: Convert to fraction form
    7,251.79/10,007.68 = 4,107.98/x
  3. Step 3: Cross multiply
    7,251.79x = 10,007.68 × 4,107.98
  4. Step 4: Simplify right side
    7,251.79x = 41,111,349.29
  5. Step 5: Solve for x
    x = 41,111,349.29/7,251.79
  6. Step 6: Final answer
    x = 5,669.13

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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.