Home / 7,718.70-10,651.82-4,181.91

Finding the Fourth Proportional to 7,718.70, 10,651.82 and 4,181.91

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Solution

The fourth proportional to 7,718.70, 10,651.82 and 4,181.91 is: 5,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.70 : 10,651.82 = 4,181.91 : x
  2. Step 2: Convert to fraction form
    7,718.70/10,651.82 = 4,181.91/x
  3. Step 3: Cross multiply
    7,718.70x = 10,651.82 × 4,181.91
  4. Step 4: Simplify right side
    7,718.70x = 44,544,931.67
  5. Step 5: Solve for x
    x = 44,544,931.67/7,718.70
  6. Step 6: Final answer
    x = 5,771.04

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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.