Home / 3,125.36-4,314.12-1,884.08

Finding the Fourth Proportional to 3,125.36, 4,314.12 and 1,884.08

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Solution

The fourth proportional to 3,125.36, 4,314.12 and 1,884.08 is: 2,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.36 : 4,314.12 = 1,884.08 : x
  2. Step 2: Convert to fraction form
    3,125.36/4,314.12 = 1,884.08/x
  3. Step 3: Cross multiply
    3,125.36x = 4,314.12 × 1,884.08
  4. Step 4: Simplify right side
    3,125.36x = 8,128,147.21
  5. Step 5: Solve for x
    x = 8,128,147.21/3,125.36
  6. Step 6: Final answer
    x = 2,600.71

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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.