Home / 3,065.34-4,230.19-1,668.09

Finding the Fourth Proportional to 3,065.34, 4,230.19 and 1,668.09

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Solution

The fourth proportional to 3,065.34, 4,230.19 and 1,668.09 is: 2,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.34 : 4,230.19 = 1,668.09 : x
  2. Step 2: Convert to fraction form
    3,065.34/4,230.19 = 1,668.09/x
  3. Step 3: Cross multiply
    3,065.34x = 4,230.19 × 1,668.09
  4. Step 4: Simplify right side
    3,065.34x = 7,056,355.59
  5. Step 5: Solve for x
    x = 7,056,355.59/3,065.34
  6. Step 6: Final answer
    x = 2,301.98

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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.