Home / 7,543.91-10,410.62-4,186.79

Finding the Fourth Proportional to 7,543.91, 10,410.62 and 4,186.79

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Solution

The fourth proportional to 7,543.91, 10,410.62 and 4,186.79 is: 5,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.91 : 10,410.62 = 4,186.79 : x
  2. Step 2: Convert to fraction form
    7,543.91/10,410.62 = 4,186.79/x
  3. Step 3: Cross multiply
    7,543.91x = 10,410.62 × 4,186.79
  4. Step 4: Simplify right side
    7,543.91x = 43,587,079.71
  5. Step 5: Solve for x
    x = 43,587,079.71/7,543.91
  6. Step 6: Final answer
    x = 5,777.78

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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.