Home / 4,956.77-6,840.35-2,718.68

Finding the Fourth Proportional to 4,956.77, 6,840.35 and 2,718.68

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Solution

The fourth proportional to 4,956.77, 6,840.35 and 2,718.68 is: 3,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.77 : 6,840.35 = 2,718.68 : x
  2. Step 2: Convert to fraction form
    4,956.77/6,840.35 = 2,718.68/x
  3. Step 3: Cross multiply
    4,956.77x = 6,840.35 × 2,718.68
  4. Step 4: Simplify right side
    4,956.77x = 18,596,674.94
  5. Step 5: Solve for x
    x = 18,596,674.94/4,956.77
  6. Step 6: Final answer
    x = 3,751.78

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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.