Home / 5,152.52-7,718.40-2,375.36

Finding the Fourth Proportional to 5,152.52, 7,718.40 and 2,375.36

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Solution

The fourth proportional to 5,152.52, 7,718.40 and 2,375.36 is: 3,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.52 : 7,718.40 = 2,375.36 : x
  2. Step 2: Convert to fraction form
    5,152.52/7,718.40 = 2,375.36/x
  3. Step 3: Cross multiply
    5,152.52x = 7,718.40 × 2,375.36
  4. Step 4: Simplify right side
    5,152.52x = 18,333,978.62
  5. Step 5: Solve for x
    x = 18,333,978.62/5,152.52
  6. Step 6: Final answer
    x = 3,558.25

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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.