Home / 3,353.86-4,628.60-1,861.92

Finding the Fourth Proportional to 3,353.86, 4,628.60 and 1,861.92

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Solution

The fourth proportional to 3,353.86, 4,628.60 and 1,861.92 is: 2,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.86 : 4,628.60 = 1,861.92 : x
  2. Step 2: Convert to fraction form
    3,353.86/4,628.60 = 1,861.92/x
  3. Step 3: Cross multiply
    3,353.86x = 4,628.60 × 1,861.92
  4. Step 4: Simplify right side
    3,353.86x = 8,618,082.91
  5. Step 5: Solve for x
    x = 8,618,082.91/3,353.86
  6. Step 6: Final answer
    x = 2,569.60

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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.