Home / 3,011.18-4,156.79-2,265.37

Finding the Fourth Proportional to 3,011.18, 4,156.79 and 2,265.37

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Solution

The fourth proportional to 3,011.18, 4,156.79 and 2,265.37 is: 3,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.18 : 4,156.79 = 2,265.37 : x
  2. Step 2: Convert to fraction form
    3,011.18/4,156.79 = 2,265.37/x
  3. Step 3: Cross multiply
    3,011.18x = 4,156.79 × 2,265.37
  4. Step 4: Simplify right side
    3,011.18x = 9,416,645.64
  5. Step 5: Solve for x
    x = 9,416,645.64/3,011.18
  6. Step 6: Final answer
    x = 3,127.23

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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.