Home / 7,731.69-10,669.68-4,194.90

Finding the Fourth Proportional to 7,731.69, 10,669.68 and 4,194.90

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Solution

The fourth proportional to 7,731.69, 10,669.68 and 4,194.90 is: 5,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.69 : 10,669.68 = 4,194.90 : x
  2. Step 2: Convert to fraction form
    7,731.69/10,669.68 = 4,194.90/x
  3. Step 3: Cross multiply
    7,731.69x = 10,669.68 × 4,194.90
  4. Step 4: Simplify right side
    7,731.69x = 44,758,240.63
  5. Step 5: Solve for x
    x = 44,758,240.63/7,731.69
  6. Step 6: Final answer
    x = 5,788.93

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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.