Home / 4,066.66-5,613.98-3,156.14

Finding the Fourth Proportional to 4,066.66, 5,613.98 and 3,156.14

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Solution

The fourth proportional to 4,066.66, 5,613.98 and 3,156.14 is: 4,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.66 : 5,613.98 = 3,156.14 : x
  2. Step 2: Convert to fraction form
    4,066.66/5,613.98 = 3,156.14/x
  3. Step 3: Cross multiply
    4,066.66x = 5,613.98 × 3,156.14
  4. Step 4: Simplify right side
    4,066.66x = 17,718,515.93
  5. Step 5: Solve for x
    x = 17,718,515.93/4,066.66
  6. Step 6: Final answer
    x = 4,357.02

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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.