Home / 5,316-7,975.68-2,394.56

Finding the Fourth Proportional to 5,316, 7,975.68 and 2,394.56

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Solution

The fourth proportional to 5,316, 7,975.68 and 2,394.56 is: 3,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316 : 7,975.68 = 2,394.56 : x
  2. Step 2: Convert to fraction form
    5,316/7,975.68 = 2,394.56/x
  3. Step 3: Cross multiply
    5,316x = 7,975.68 × 2,394.56
  4. Step 4: Simplify right side
    5,316x = 19,098,244.30
  5. Step 5: Solve for x
    x = 19,098,244.30/5,316
  6. Step 6: Final answer
    x = 3,592.60

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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.