Home / 3,884.40-5,827.51-1,111.11

Finding the Fourth Proportional to 3,884.40, 5,827.51 and 1,111.11

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Solution

The fourth proportional to 3,884.40, 5,827.51 and 1,111.11 is: 1,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.40 : 5,827.51 = 1,111.11 : x
  2. Step 2: Convert to fraction form
    3,884.40/5,827.51 = 1,111.11/x
  3. Step 3: Cross multiply
    3,884.40x = 5,827.51 × 1,111.11
  4. Step 4: Simplify right side
    3,884.40x = 6,475,004.64
  5. Step 5: Solve for x
    x = 6,475,004.64/3,884.40
  6. Step 6: Final answer
    x = 1,666.93

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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.