Home / 3,404.12-4,699.86-2,656.76

Finding the Fourth Proportional to 3,404.12, 4,699.86 and 2,656.76

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Solution

The fourth proportional to 3,404.12, 4,699.86 and 2,656.76 is: 3,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.12 : 4,699.86 = 2,656.76 : x
  2. Step 2: Convert to fraction form
    3,404.12/4,699.86 = 2,656.76/x
  3. Step 3: Cross multiply
    3,404.12x = 4,699.86 × 2,656.76
  4. Step 4: Simplify right side
    3,404.12x = 12,486,400.05
  5. Step 5: Solve for x
    x = 12,486,400.05/3,404.12
  6. Step 6: Final answer
    x = 3,668.03

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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.