Home / 5,404.08-8,125.44-4,976.40

Finding the Fourth Proportional to 5,404.08, 8,125.44 and 4,976.40

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Solution

The fourth proportional to 5,404.08, 8,125.44 and 4,976.40 is: 7,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.08 : 8,125.44 = 4,976.40 : x
  2. Step 2: Convert to fraction form
    5,404.08/8,125.44 = 4,976.40/x
  3. Step 3: Cross multiply
    5,404.08x = 8,125.44 × 4,976.40
  4. Step 4: Simplify right side
    5,404.08x = 40,435,439.62
  5. Step 5: Solve for x
    x = 40,435,439.62/5,404.08
  6. Step 6: Final answer
    x = 7,482.39

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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.