Home / 5,174.08-7,756.40-2,400.02

Finding the Fourth Proportional to 5,174.08, 7,756.40 and 2,400.02

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Solution

The fourth proportional to 5,174.08, 7,756.40 and 2,400.02 is: 3,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.08 : 7,756.40 = 2,400.02 : x
  2. Step 2: Convert to fraction form
    5,174.08/7,756.40 = 2,400.02/x
  3. Step 3: Cross multiply
    5,174.08x = 7,756.40 × 2,400.02
  4. Step 4: Simplify right side
    5,174.08x = 18,615,515.13
  5. Step 5: Solve for x
    x = 18,615,515.13/5,174.08
  6. Step 6: Final answer
    x = 3,597.84

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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.