Home / 7,031.70-10,548.09-2,100.96

Finding the Fourth Proportional to 7,031.70, 10,548.09 and 2,100.96

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Solution

The fourth proportional to 7,031.70, 10,548.09 and 2,100.96 is: 3,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.70 : 10,548.09 = 2,100.96 : x
  2. Step 2: Convert to fraction form
    7,031.70/10,548.09 = 2,100.96/x
  3. Step 3: Cross multiply
    7,031.70x = 10,548.09 × 2,100.96
  4. Step 4: Simplify right side
    7,031.70x = 22,161,115.17
  5. Step 5: Solve for x
    x = 22,161,115.17/7,031.70
  6. Step 6: Final answer
    x = 3,151.60

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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.