Home / 1,886.11-2,829.14-1,025.89

Finding the Fourth Proportional to 1,886.11, 2,829.14 and 1,025.89

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Solution

The fourth proportional to 1,886.11, 2,829.14 and 1,025.89 is: 1,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.11 : 2,829.14 = 1,025.89 : x
  2. Step 2: Convert to fraction form
    1,886.11/2,829.14 = 1,025.89/x
  3. Step 3: Cross multiply
    1,886.11x = 2,829.14 × 1,025.89
  4. Step 4: Simplify right side
    1,886.11x = 2,902,386.43
  5. Step 5: Solve for x
    x = 2,902,386.43/1,886.11
  6. Step 6: Final answer
    x = 1,538.82

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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.