Home / 4,722.72-6,518.52-2,956.56

Finding the Fourth Proportional to 4,722.72, 6,518.52 and 2,956.56

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Solution

The fourth proportional to 4,722.72, 6,518.52 and 2,956.56 is: 4,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.72 : 6,518.52 = 2,956.56 : x
  2. Step 2: Convert to fraction form
    4,722.72/6,518.52 = 2,956.56/x
  3. Step 3: Cross multiply
    4,722.72x = 6,518.52 × 2,956.56
  4. Step 4: Simplify right side
    4,722.72x = 19,272,395.49
  5. Step 5: Solve for x
    x = 19,272,395.49/4,722.72
  6. Step 6: Final answer
    x = 4,080.78

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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.