Home / 7,051.24-9,731.10-3,907.36

Finding the Fourth Proportional to 7,051.24, 9,731.10 and 3,907.36

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Solution

The fourth proportional to 7,051.24, 9,731.10 and 3,907.36 is: 5,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.24 : 9,731.10 = 3,907.36 : x
  2. Step 2: Convert to fraction form
    7,051.24/9,731.10 = 3,907.36/x
  3. Step 3: Cross multiply
    7,051.24x = 9,731.10 × 3,907.36
  4. Step 4: Simplify right side
    7,051.24x = 38,022,910.90
  5. Step 5: Solve for x
    x = 38,022,910.90/7,051.24
  6. Step 6: Final answer
    x = 5,392.37

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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.