Home / 4,141.30-5,711.92-3,005.35

Finding the Fourth Proportional to 4,141.30, 5,711.92 and 3,005.35

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Solution

The fourth proportional to 4,141.30, 5,711.92 and 3,005.35 is: 4,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.30 : 5,711.92 = 3,005.35 : x
  2. Step 2: Convert to fraction form
    4,141.30/5,711.92 = 3,005.35/x
  3. Step 3: Cross multiply
    4,141.30x = 5,711.92 × 3,005.35
  4. Step 4: Simplify right side
    4,141.30x = 17,166,318.77
  5. Step 5: Solve for x
    x = 17,166,318.77/4,141.30
  6. Step 6: Final answer
    x = 4,145.15

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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.