Home / 4,070.96-5,613-3,440.38

Finding the Fourth Proportional to 4,070.96, 5,613 and 3,440.38

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Solution

The fourth proportional to 4,070.96, 5,613 and 3,440.38 is: 4,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.96 : 5,613 = 3,440.38 : x
  2. Step 2: Convert to fraction form
    4,070.96/5,613 = 3,440.38/x
  3. Step 3: Cross multiply
    4,070.96x = 5,613 × 3,440.38
  4. Step 4: Simplify right side
    4,070.96x = 19,310,824.88
  5. Step 5: Solve for x
    x = 19,310,824.88/4,070.96
  6. Step 6: Final answer
    x = 4,743.56

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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.