Home / 7,015.92-9,682.74-4,031.88

Finding the Fourth Proportional to 7,015.92, 9,682.74 and 4,031.88

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Solution

The fourth proportional to 7,015.92, 9,682.74 and 4,031.88 is: 5,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.92 : 9,682.74 = 4,031.88 : x
  2. Step 2: Convert to fraction form
    7,015.92/9,682.74 = 4,031.88/x
  3. Step 3: Cross multiply
    7,015.92x = 9,682.74 × 4,031.88
  4. Step 4: Simplify right side
    7,015.92x = 39,039,645.75
  5. Step 5: Solve for x
    x = 39,039,645.75/7,015.92
  6. Step 6: Final answer
    x = 5,564.44

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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.