Home / 3,316.32-4,970.88-1,669.68

Finding the Fourth Proportional to 3,316.32, 4,970.88 and 1,669.68

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Solution

The fourth proportional to 3,316.32, 4,970.88 and 1,669.68 is: 2,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.32 : 4,970.88 = 1,669.68 : x
  2. Step 2: Convert to fraction form
    3,316.32/4,970.88 = 1,669.68/x
  3. Step 3: Cross multiply
    3,316.32x = 4,970.88 × 1,669.68
  4. Step 4: Simplify right side
    3,316.32x = 8,299,778.92
  5. Step 5: Solve for x
    x = 8,299,778.92/3,316.32
  6. Step 6: Final answer
    x = 2,502.71

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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.