Home / 5,598.90-8,400.78-2,678.04

Finding the Fourth Proportional to 5,598.90, 8,400.78 and 2,678.04

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Solution

The fourth proportional to 5,598.90, 8,400.78 and 2,678.04 is: 4,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.90 : 8,400.78 = 2,678.04 : x
  2. Step 2: Convert to fraction form
    5,598.90/8,400.78 = 2,678.04/x
  3. Step 3: Cross multiply
    5,598.90x = 8,400.78 × 2,678.04
  4. Step 4: Simplify right side
    5,598.90x = 22,497,624.87
  5. Step 5: Solve for x
    x = 22,497,624.87/5,598.90
  6. Step 6: Final answer
    x = 4,018.22

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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.