Home / 5,109.42-7,051.05-3,092.88

Finding the Fourth Proportional to 5,109.42, 7,051.05 and 3,092.88

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Solution

The fourth proportional to 5,109.42, 7,051.05 and 3,092.88 is: 4,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.42 : 7,051.05 = 3,092.88 : x
  2. Step 2: Convert to fraction form
    5,109.42/7,051.05 = 3,092.88/x
  3. Step 3: Cross multiply
    5,109.42x = 7,051.05 × 3,092.88
  4. Step 4: Simplify right side
    5,109.42x = 21,808,077.97
  5. Step 5: Solve for x
    x = 21,808,077.97/5,109.42
  6. Step 6: Final answer
    x = 4,268.21

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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.