Home / 1,886.07-2,829.72-1,581.11

Finding the Fourth Proportional to 1,886.07, 2,829.72 and 1,581.11

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Solution

The fourth proportional to 1,886.07, 2,829.72 and 1,581.11 is: 2,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.07 : 2,829.72 = 1,581.11 : x
  2. Step 2: Convert to fraction form
    1,886.07/2,829.72 = 1,581.11/x
  3. Step 3: Cross multiply
    1,886.07x = 2,829.72 × 1,581.11
  4. Step 4: Simplify right side
    1,886.07x = 4,474,098.59
  5. Step 5: Solve for x
    x = 4,474,098.59/1,886.07
  6. Step 6: Final answer
    x = 2,372.18

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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.