Home / 7,049.76-10,574.68-2,889.06

Finding the Fourth Proportional to 7,049.76, 10,574.68 and 2,889.06

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Solution

The fourth proportional to 7,049.76, 10,574.68 and 2,889.06 is: 4,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.76 : 10,574.68 = 2,889.06 : x
  2. Step 2: Convert to fraction form
    7,049.76/10,574.68 = 2,889.06/x
  3. Step 3: Cross multiply
    7,049.76x = 10,574.68 × 2,889.06
  4. Step 4: Simplify right side
    7,049.76x = 30,550,885.00
  5. Step 5: Solve for x
    x = 30,550,885.00/7,049.76
  6. Step 6: Final answer
    x = 4,333.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.