Home / 3,022.11-4,170.40-1,695.89

Finding the Fourth Proportional to 3,022.11, 4,170.40 and 1,695.89

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Solution

The fourth proportional to 3,022.11, 4,170.40 and 1,695.89 is: 2,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.11 : 4,170.40 = 1,695.89 : x
  2. Step 2: Convert to fraction form
    3,022.11/4,170.40 = 1,695.89/x
  3. Step 3: Cross multiply
    3,022.11x = 4,170.40 × 1,695.89
  4. Step 4: Simplify right side
    3,022.11x = 7,072,510.32
  5. Step 5: Solve for x
    x = 7,072,510.32/3,022.11
  6. Step 6: Final answer
    x = 2,340.26

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Half scale
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Double scale
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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.