Home / 4,956.86-6,840.42-2,718.69

Finding the Fourth Proportional to 4,956.86, 6,840.42 and 2,718.69

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Solution

The fourth proportional to 4,956.86, 6,840.42 and 2,718.69 is: 3,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.86 : 6,840.42 = 2,718.69 : x
  2. Step 2: Convert to fraction form
    4,956.86/6,840.42 = 2,718.69/x
  3. Step 3: Cross multiply
    4,956.86x = 6,840.42 × 2,718.69
  4. Step 4: Simplify right side
    4,956.86x = 18,596,981.45
  5. Step 5: Solve for x
    x = 18,596,981.45/4,956.86
  6. Step 6: Final answer
    x = 3,751.77

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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.