Home / 3,051.77-4,211.60-1,932.29

Finding the Fourth Proportional to 3,051.77, 4,211.60 and 1,932.29

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Solution

The fourth proportional to 3,051.77, 4,211.60 and 1,932.29 is: 2,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.77 : 4,211.60 = 1,932.29 : x
  2. Step 2: Convert to fraction form
    3,051.77/4,211.60 = 1,932.29/x
  3. Step 3: Cross multiply
    3,051.77x = 4,211.60 × 1,932.29
  4. Step 4: Simplify right side
    3,051.77x = 8,138,001.84
  5. Step 5: Solve for x
    x = 8,138,001.84/3,051.77
  6. Step 6: Final answer
    x = 2,666.65

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1.5x scale

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.