Home / 7,032.92-9,705.12-3,889.04

Finding the Fourth Proportional to 7,032.92, 9,705.12 and 3,889.04

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Solution

The fourth proportional to 7,032.92, 9,705.12 and 3,889.04 is: 5,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.92 : 9,705.12 = 3,889.04 : x
  2. Step 2: Convert to fraction form
    7,032.92/9,705.12 = 3,889.04/x
  3. Step 3: Cross multiply
    7,032.92x = 9,705.12 × 3,889.04
  4. Step 4: Simplify right side
    7,032.92x = 37,743,599.88
  5. Step 5: Solve for x
    x = 37,743,599.88/7,032.92
  6. Step 6: Final answer
    x = 5,366.70

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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.