Home / 3,051.28-4,211.76-1,792.31

Finding the Fourth Proportional to 3,051.28, 4,211.76 and 1,792.31

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Solution

The fourth proportional to 3,051.28, 4,211.76 and 1,792.31 is: 2,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.28 : 4,211.76 = 1,792.31 : x
  2. Step 2: Convert to fraction form
    3,051.28/4,211.76 = 1,792.31/x
  3. Step 3: Cross multiply
    3,051.28x = 4,211.76 × 1,792.31
  4. Step 4: Simplify right side
    3,051.28x = 7,548,779.57
  5. Step 5: Solve for x
    x = 7,548,779.57/3,051.28
  6. Step 6: Final answer
    x = 2,473.97

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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.