Home / 5,404.28-8,101.54-2,799.32

Finding the Fourth Proportional to 5,404.28, 8,101.54 and 2,799.32

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Solution

The fourth proportional to 5,404.28, 8,101.54 and 2,799.32 is: 4,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.28 : 8,101.54 = 2,799.32 : x
  2. Step 2: Convert to fraction form
    5,404.28/8,101.54 = 2,799.32/x
  3. Step 3: Cross multiply
    5,404.28x = 8,101.54 × 2,799.32
  4. Step 4: Simplify right side
    5,404.28x = 22,678,802.95
  5. Step 5: Solve for x
    x = 22,678,802.95/5,404.28
  6. Step 6: Final answer
    x = 4,196.45

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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.