Home / 5,151.77-7,727.66-2,377.63

Finding the Fourth Proportional to 5,151.77, 7,727.66 and 2,377.63

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Solution

The fourth proportional to 5,151.77, 7,727.66 and 2,377.63 is: 3,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.77 : 7,727.66 = 2,377.63 : x
  2. Step 2: Convert to fraction form
    5,151.77/7,727.66 = 2,377.63/x
  3. Step 3: Cross multiply
    5,151.77x = 7,727.66 × 2,377.63
  4. Step 4: Simplify right side
    5,151.77x = 18,373,516.25
  5. Step 5: Solve for x
    x = 18,373,516.25/5,151.77
  6. Step 6: Final answer
    x = 3,566.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.