Home / 3,011.64-4,153.92-2,763.76

Finding the Fourth Proportional to 3,011.64, 4,153.92 and 2,763.76

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Solution

The fourth proportional to 3,011.64, 4,153.92 and 2,763.76 is: 3,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.64 : 4,153.92 = 2,763.76 : x
  2. Step 2: Convert to fraction form
    3,011.64/4,153.92 = 2,763.76/x
  3. Step 3: Cross multiply
    3,011.64x = 4,153.92 × 2,763.76
  4. Step 4: Simplify right side
    3,011.64x = 11,480,437.94
  5. Step 5: Solve for x
    x = 11,480,437.94/3,011.64
  6. Step 6: Final answer
    x = 3,812.02

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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.