Home / 7,049.19-10,573.78-2,889.21

Finding the Fourth Proportional to 7,049.19, 10,573.78 and 2,889.21

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Solution

The fourth proportional to 7,049.19, 10,573.78 and 2,889.21 is: 4,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.19 : 10,573.78 = 2,889.21 : x
  2. Step 2: Convert to fraction form
    7,049.19/10,573.78 = 2,889.21/x
  3. Step 3: Cross multiply
    7,049.19x = 10,573.78 × 2,889.21
  4. Step 4: Simplify right side
    7,049.19x = 30,549,830.35
  5. Step 5: Solve for x
    x = 30,549,830.35/7,049.19
  6. Step 6: Final answer
    x = 4,333.80

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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.