Home / 5,247.99-7,242.08-2,858.02

Finding the Fourth Proportional to 5,247.99, 7,242.08 and 2,858.02

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Solution

The fourth proportional to 5,247.99, 7,242.08 and 2,858.02 is: 3,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.99 : 7,242.08 = 2,858.02 : x
  2. Step 2: Convert to fraction form
    5,247.99/7,242.08 = 2,858.02/x
  3. Step 3: Cross multiply
    5,247.99x = 7,242.08 × 2,858.02
  4. Step 4: Simplify right side
    5,247.99x = 20,697,977.09
  5. Step 5: Solve for x
    x = 20,697,977.09/5,247.99
  6. Step 6: Final answer
    x = 3,943.98

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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.