Home / 6,842.39-9,442.51-3,698.58

Finding the Fourth Proportional to 6,842.39, 9,442.51 and 3,698.58

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Solution

The fourth proportional to 6,842.39, 9,442.51 and 3,698.58 is: 5,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.39 : 9,442.51 = 3,698.58 : x
  2. Step 2: Convert to fraction form
    6,842.39/9,442.51 = 3,698.58/x
  3. Step 3: Cross multiply
    6,842.39x = 9,442.51 × 3,698.58
  4. Step 4: Simplify right side
    6,842.39x = 34,923,851.68
  5. Step 5: Solve for x
    x = 34,923,851.68/6,842.39
  6. Step 6: Final answer
    x = 5,104.04

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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.