Home / 3,631.16-5,447.34-2,851.13

Finding the Fourth Proportional to 3,631.16, 5,447.34 and 2,851.13

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Solution

The fourth proportional to 3,631.16, 5,447.34 and 2,851.13 is: 4,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.16 : 5,447.34 = 2,851.13 : x
  2. Step 2: Convert to fraction form
    3,631.16/5,447.34 = 2,851.13/x
  3. Step 3: Cross multiply
    3,631.16x = 5,447.34 × 2,851.13
  4. Step 4: Simplify right side
    3,631.16x = 15,531,047.26
  5. Step 5: Solve for x
    x = 15,531,047.26/3,631.16
  6. Step 6: Final answer
    x = 4,277.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.