Home / 5,904.19-8,856.29-2,978.47

Finding the Fourth Proportional to 5,904.19, 8,856.29 and 2,978.47

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Solution

The fourth proportional to 5,904.19, 8,856.29 and 2,978.47 is: 4,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.19 : 8,856.29 = 2,978.47 : x
  2. Step 2: Convert to fraction form
    5,904.19/8,856.29 = 2,978.47/x
  3. Step 3: Cross multiply
    5,904.19x = 8,856.29 × 2,978.47
  4. Step 4: Simplify right side
    5,904.19x = 26,378,194.08
  5. Step 5: Solve for x
    x = 26,378,194.08/5,904.19
  6. Step 6: Final answer
    x = 4,467.71

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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.