Home / 5,091.29-7,025.64-2,853.15

Finding the Fourth Proportional to 5,091.29, 7,025.64 and 2,853.15

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Solution

The fourth proportional to 5,091.29, 7,025.64 and 2,853.15 is: 3,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.29 : 7,025.64 = 2,853.15 : x
  2. Step 2: Convert to fraction form
    5,091.29/7,025.64 = 2,853.15/x
  3. Step 3: Cross multiply
    5,091.29x = 7,025.64 × 2,853.15
  4. Step 4: Simplify right side
    5,091.29x = 20,045,204.77
  5. Step 5: Solve for x
    x = 20,045,204.77/5,091.29
  6. Step 6: Final answer
    x = 3,937.16

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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.