Home / 4,950.09-7,425.61-1,440.12

Finding the Fourth Proportional to 4,950.09, 7,425.61 and 1,440.12

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Solution

The fourth proportional to 4,950.09, 7,425.61 and 1,440.12 is: 2,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.09 : 7,425.61 = 1,440.12 : x
  2. Step 2: Convert to fraction form
    4,950.09/7,425.61 = 1,440.12/x
  3. Step 3: Cross multiply
    4,950.09x = 7,425.61 × 1,440.12
  4. Step 4: Simplify right side
    4,950.09x = 10,693,769.47
  5. Step 5: Solve for x
    x = 10,693,769.47/4,950.09
  6. Step 6: Final answer
    x = 2,160.32

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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.