Home / 3,065.32-4,230.22-1,668.06

Finding the Fourth Proportional to 3,065.32, 4,230.22 and 1,668.06

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Solution

The fourth proportional to 3,065.32, 4,230.22 and 1,668.06 is: 2,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.32 : 4,230.22 = 1,668.06 : x
  2. Step 2: Convert to fraction form
    3,065.32/4,230.22 = 1,668.06/x
  3. Step 3: Cross multiply
    3,065.32x = 4,230.22 × 1,668.06
  4. Step 4: Simplify right side
    3,065.32x = 7,056,260.77
  5. Step 5: Solve for x
    x = 7,056,260.77/3,065.32
  6. Step 6: Final answer
    x = 2,301.97

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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.