Home / 5,197.26-7,795.89-2,598.78

Finding the Fourth Proportional to 5,197.26, 7,795.89 and 2,598.78

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Solution

The fourth proportional to 5,197.26, 7,795.89 and 2,598.78 is: 3,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.26 : 7,795.89 = 2,598.78 : x
  2. Step 2: Convert to fraction form
    5,197.26/7,795.89 = 2,598.78/x
  3. Step 3: Cross multiply
    5,197.26x = 7,795.89 × 2,598.78
  4. Step 4: Simplify right side
    5,197.26x = 20,259,803.01
  5. Step 5: Solve for x
    x = 20,259,803.01/5,197.26
  6. Step 6: Final answer
    x = 3,898.17

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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.