Home / 3,930.23-5,873.70-3,702.66

Finding the Fourth Proportional to 3,930.23, 5,873.70 and 3,702.66

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Solution

The fourth proportional to 3,930.23, 5,873.70 and 3,702.66 is: 5,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.23 : 5,873.70 = 3,702.66 : x
  2. Step 2: Convert to fraction form
    3,930.23/5,873.70 = 3,702.66/x
  3. Step 3: Cross multiply
    3,930.23x = 5,873.70 × 3,702.66
  4. Step 4: Simplify right side
    3,930.23x = 21,748,305.90
  5. Step 5: Solve for x
    x = 21,748,305.90/3,930.23
  6. Step 6: Final answer
    x = 5,533.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.