Home / 7,175.10-9,901.26-4,031.22

Finding the Fourth Proportional to 7,175.10, 9,901.26 and 4,031.22

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Solution

The fourth proportional to 7,175.10, 9,901.26 and 4,031.22 is: 5,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.10 : 9,901.26 = 4,031.22 : x
  2. Step 2: Convert to fraction form
    7,175.10/9,901.26 = 4,031.22/x
  3. Step 3: Cross multiply
    7,175.10x = 9,901.26 × 4,031.22
  4. Step 4: Simplify right side
    7,175.10x = 39,914,157.34
  5. Step 5: Solve for x
    x = 39,914,157.34/7,175.10
  6. Step 6: Final answer
    x = 5,562.87

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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.