Home / 5,191.02-7,788.82-2,725.24

Finding the Fourth Proportional to 5,191.02, 7,788.82 and 2,725.24

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Solution

The fourth proportional to 5,191.02, 7,788.82 and 2,725.24 is: 4,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.02 : 7,788.82 = 2,725.24 : x
  2. Step 2: Convert to fraction form
    5,191.02/7,788.82 = 2,725.24/x
  3. Step 3: Cross multiply
    5,191.02x = 7,788.82 × 2,725.24
  4. Step 4: Simplify right side
    5,191.02x = 21,226,403.82
  5. Step 5: Solve for x
    x = 21,226,403.82/5,191.02
  6. Step 6: Final answer
    x = 4,089.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.