Home / 5,091.55-7,026.43-2,853.93

Finding the Fourth Proportional to 5,091.55, 7,026.43 and 2,853.93

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Solution

The fourth proportional to 5,091.55, 7,026.43 and 2,853.93 is: 3,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.55 : 7,026.43 = 2,853.93 : x
  2. Step 2: Convert to fraction form
    5,091.55/7,026.43 = 2,853.93/x
  3. Step 3: Cross multiply
    5,091.55x = 7,026.43 × 2,853.93
  4. Step 4: Simplify right side
    5,091.55x = 20,052,914.67
  5. Step 5: Solve for x
    x = 20,052,914.67/5,091.55
  6. Step 6: Final answer
    x = 3,938.47

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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.