Home / 3,353.64-4,628.03-1,861.50

Finding the Fourth Proportional to 3,353.64, 4,628.03 and 1,861.50

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Solution

The fourth proportional to 3,353.64, 4,628.03 and 1,861.50 is: 2,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.64 : 4,628.03 = 1,861.50 : x
  2. Step 2: Convert to fraction form
    3,353.64/4,628.03 = 1,861.50/x
  3. Step 3: Cross multiply
    3,353.64x = 4,628.03 × 1,861.50
  4. Step 4: Simplify right side
    3,353.64x = 8,615,068.54
  5. Step 5: Solve for x
    x = 8,615,068.54/3,353.64
  6. Step 6: Final answer
    x = 2,568.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.