Home / 5,473.86-8,210.61-1,578.66

Finding the Fourth Proportional to 5,473.86, 8,210.61 and 1,578.66

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Solution

The fourth proportional to 5,473.86, 8,210.61 and 1,578.66 is: 2,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.86 : 8,210.61 = 1,578.66 : x
  2. Step 2: Convert to fraction form
    5,473.86/8,210.61 = 1,578.66/x
  3. Step 3: Cross multiply
    5,473.86x = 8,210.61 × 1,578.66
  4. Step 4: Simplify right side
    5,473.86x = 12,961,761.58
  5. Step 5: Solve for x
    x = 12,961,761.58/5,473.86
  6. Step 6: Final answer
    x = 2,367.94

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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.