Home / 5,297.11-7,310.15-2,907.19

Finding the Fourth Proportional to 5,297.11, 7,310.15 and 2,907.19

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Solution

The fourth proportional to 5,297.11, 7,310.15 and 2,907.19 is: 4,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.11 : 7,310.15 = 2,907.19 : x
  2. Step 2: Convert to fraction form
    5,297.11/7,310.15 = 2,907.19/x
  3. Step 3: Cross multiply
    5,297.11x = 7,310.15 × 2,907.19
  4. Step 4: Simplify right side
    5,297.11x = 21,251,943.89
  5. Step 5: Solve for x
    x = 21,251,943.89/5,297.11
  6. Step 6: Final answer
    x = 4,011.99

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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.