Home / 4,842.29-6,679.89-3,164.68

Finding the Fourth Proportional to 4,842.29, 6,679.89 and 3,164.68

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Solution

The fourth proportional to 4,842.29, 6,679.89 and 3,164.68 is: 4,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.29 : 6,679.89 = 3,164.68 : x
  2. Step 2: Convert to fraction form
    4,842.29/6,679.89 = 3,164.68/x
  3. Step 3: Cross multiply
    4,842.29x = 6,679.89 × 3,164.68
  4. Step 4: Simplify right side
    4,842.29x = 21,139,714.29
  5. Step 5: Solve for x
    x = 21,139,714.29/4,842.29
  6. Step 6: Final answer
    x = 4,365.64

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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.