Home / 7,175.16-9,901.73-4,031.37

Finding the Fourth Proportional to 7,175.16, 9,901.73 and 4,031.37

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Solution

The fourth proportional to 7,175.16, 9,901.73 and 4,031.37 is: 5,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.16 : 9,901.73 = 4,031.37 : x
  2. Step 2: Convert to fraction form
    7,175.16/9,901.73 = 4,031.37/x
  3. Step 3: Cross multiply
    7,175.16x = 9,901.73 × 4,031.37
  4. Step 4: Simplify right side
    7,175.16x = 39,917,517.11
  5. Step 5: Solve for x
    x = 39,917,517.11/7,175.16
  6. Step 6: Final answer
    x = 5,563.29

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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.