Home / 2,957.26-4,081.19-1,698.31

Finding the Fourth Proportional to 2,957.26, 4,081.19 and 1,698.31

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Solution

The fourth proportional to 2,957.26, 4,081.19 and 1,698.31 is: 2,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.26 : 4,081.19 = 1,698.31 : x
  2. Step 2: Convert to fraction form
    2,957.26/4,081.19 = 1,698.31/x
  3. Step 3: Cross multiply
    2,957.26x = 4,081.19 × 1,698.31
  4. Step 4: Simplify right side
    2,957.26x = 6,931,125.79
  5. Step 5: Solve for x
    x = 6,931,125.79/2,957.26
  6. Step 6: Final answer
    x = 2,343.77

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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.