Home / 10,451.22-15,678.41-3,054.75

Finding the Fourth Proportional to 10,451.22, 15,678.41 and 3,054.75

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Solution

The fourth proportional to 10,451.22, 15,678.41 and 3,054.75 is: 4,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.22 : 15,678.41 = 3,054.75 : x
  2. Step 2: Convert to fraction form
    10,451.22/15,678.41 = 3,054.75/x
  3. Step 3: Cross multiply
    10,451.22x = 15,678.41 × 3,054.75
  4. Step 4: Simplify right side
    10,451.22x = 47,893,607.67
  5. Step 5: Solve for x
    x = 47,893,607.67/10,451.22
  6. Step 6: Final answer
    x = 4,582.59

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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.