Home / 5,239.52-7,856.76-2,316.32

Finding the Fourth Proportional to 5,239.52, 7,856.76 and 2,316.32

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Solution

The fourth proportional to 5,239.52, 7,856.76 and 2,316.32 is: 3,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.52 : 7,856.76 = 2,316.32 : x
  2. Step 2: Convert to fraction form
    5,239.52/7,856.76 = 2,316.32/x
  3. Step 3: Cross multiply
    5,239.52x = 7,856.76 × 2,316.32
  4. Step 4: Simplify right side
    5,239.52x = 18,198,770.32
  5. Step 5: Solve for x
    x = 18,198,770.32/5,239.52
  6. Step 6: Final answer
    x = 3,473.37

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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.