Home / 5,091.51-7,026.63-2,853.54

Finding the Fourth Proportional to 5,091.51, 7,026.63 and 2,853.54

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Solution

The fourth proportional to 5,091.51, 7,026.63 and 2,853.54 is: 3,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.51 : 7,026.63 = 2,853.54 : x
  2. Step 2: Convert to fraction form
    5,091.51/7,026.63 = 2,853.54/x
  3. Step 3: Cross multiply
    5,091.51x = 7,026.63 × 2,853.54
  4. Step 4: Simplify right side
    5,091.51x = 20,050,778.98
  5. Step 5: Solve for x
    x = 20,050,778.98/5,091.51
  6. Step 6: Final answer
    x = 3,938.08

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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.