Home / 3,353.60-4,628.26-1,861.68

Finding the Fourth Proportional to 3,353.60, 4,628.26 and 1,861.68

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Solution

The fourth proportional to 3,353.60, 4,628.26 and 1,861.68 is: 2,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.60 : 4,628.26 = 1,861.68 : x
  2. Step 2: Convert to fraction form
    3,353.60/4,628.26 = 1,861.68/x
  3. Step 3: Cross multiply
    3,353.60x = 4,628.26 × 1,861.68
  4. Step 4: Simplify right side
    3,353.60x = 8,616,339.08
  5. Step 5: Solve for x
    x = 8,616,339.08/3,353.60
  6. Step 6: Final answer
    x = 2,569.28

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1.5x scale

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.