Home / 3,011.37-4,153.60-2,763.51

Finding the Fourth Proportional to 3,011.37, 4,153.60 and 2,763.51

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Solution

The fourth proportional to 3,011.37, 4,153.60 and 2,763.51 is: 3,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.37 : 4,153.60 = 2,763.51 : x
  2. Step 2: Convert to fraction form
    3,011.37/4,153.60 = 2,763.51/x
  3. Step 3: Cross multiply
    3,011.37x = 4,153.60 × 2,763.51
  4. Step 4: Simplify right side
    3,011.37x = 11,478,515.14
  5. Step 5: Solve for x
    x = 11,478,515.14/3,011.37
  6. Step 6: Final answer
    x = 3,811.73

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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.