Home / 6,743.84-9,307.42-4,090.82

Finding the Fourth Proportional to 6,743.84, 9,307.42 and 4,090.82

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Solution

The fourth proportional to 6,743.84, 9,307.42 and 4,090.82 is: 5,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.84 : 9,307.42 = 4,090.82 : x
  2. Step 2: Convert to fraction form
    6,743.84/9,307.42 = 4,090.82/x
  3. Step 3: Cross multiply
    6,743.84x = 9,307.42 × 4,090.82
  4. Step 4: Simplify right side
    6,743.84x = 38,074,979.88
  5. Step 5: Solve for x
    x = 38,074,979.88/6,743.84
  6. Step 6: Final answer
    x = 5,645.89

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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.