Home / 3,884.51-5,826.65-1,111.12

Finding the Fourth Proportional to 3,884.51, 5,826.65 and 1,111.12

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Solution

The fourth proportional to 3,884.51, 5,826.65 and 1,111.12 is: 1,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.51 : 5,826.65 = 1,111.12 : x
  2. Step 2: Convert to fraction form
    3,884.51/5,826.65 = 1,111.12/x
  3. Step 3: Cross multiply
    3,884.51x = 5,826.65 × 1,111.12
  4. Step 4: Simplify right side
    3,884.51x = 6,474,107.35
  5. Step 5: Solve for x
    x = 6,474,107.35/3,884.51
  6. Step 6: Final answer
    x = 1,666.65

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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.