Home / 5,783.76-8,669.28-2,272.68

Finding the Fourth Proportional to 5,783.76, 8,669.28 and 2,272.68

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Solution

The fourth proportional to 5,783.76, 8,669.28 and 2,272.68 is: 3,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.76 : 8,669.28 = 2,272.68 : x
  2. Step 2: Convert to fraction form
    5,783.76/8,669.28 = 2,272.68/x
  3. Step 3: Cross multiply
    5,783.76x = 8,669.28 × 2,272.68
  4. Step 4: Simplify right side
    5,783.76x = 19,702,499.27
  5. Step 5: Solve for x
    x = 19,702,499.27/5,783.76
  6. Step 6: Final answer
    x = 3,406.52

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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.