Home / 4,819.86-6,650.91-3,561.66

Finding the Fourth Proportional to 4,819.86, 6,650.91 and 3,561.66

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Solution

The fourth proportional to 4,819.86, 6,650.91 and 3,561.66 is: 4,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.86 : 6,650.91 = 3,561.66 : x
  2. Step 2: Convert to fraction form
    4,819.86/6,650.91 = 3,561.66/x
  3. Step 3: Cross multiply
    4,819.86x = 6,650.91 × 3,561.66
  4. Step 4: Simplify right side
    4,819.86x = 23,688,280.11
  5. Step 5: Solve for x
    x = 23,688,280.11/4,819.86
  6. Step 6: Final answer
    x = 4,914.72

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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.