Home / 3,051.96-4,212.15-1,857.01

Finding the Fourth Proportional to 3,051.96, 4,212.15 and 1,857.01

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Solution

The fourth proportional to 3,051.96, 4,212.15 and 1,857.01 is: 2,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.96 : 4,212.15 = 1,857.01 : x
  2. Step 2: Convert to fraction form
    3,051.96/4,212.15 = 1,857.01/x
  3. Step 3: Cross multiply
    3,051.96x = 4,212.15 × 1,857.01
  4. Step 4: Simplify right side
    3,051.96x = 7,822,005.52
  5. Step 5: Solve for x
    x = 7,822,005.52/3,051.96
  6. Step 6: Final answer
    x = 2,562.94

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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.