Home / 5,316.96-7,976.40-2,396.64

Finding the Fourth Proportional to 5,316.96, 7,976.40 and 2,396.64

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Solution

The fourth proportional to 5,316.96, 7,976.40 and 2,396.64 is: 3,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.96 : 7,976.40 = 2,396.64 : x
  2. Step 2: Convert to fraction form
    5,316.96/7,976.40 = 2,396.64/x
  3. Step 3: Cross multiply
    5,316.96x = 7,976.40 × 2,396.64
  4. Step 4: Simplify right side
    5,316.96x = 19,116,559.30
  5. Step 5: Solve for x
    x = 19,116,559.30/5,316.96
  6. Step 6: Final answer
    x = 3,595.39

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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.