Home / 7,723.38-10,658.28-4,186.59

Finding the Fourth Proportional to 7,723.38, 10,658.28 and 4,186.59

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Solution

The fourth proportional to 7,723.38, 10,658.28 and 4,186.59 is: 5,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.38 : 10,658.28 = 4,186.59 : x
  2. Step 2: Convert to fraction form
    7,723.38/10,658.28 = 4,186.59/x
  3. Step 3: Cross multiply
    7,723.38x = 10,658.28 × 4,186.59
  4. Step 4: Simplify right side
    7,723.38x = 44,621,848.47
  5. Step 5: Solve for x
    x = 44,621,848.47/7,723.38
  6. Step 6: Final answer
    x = 5,777.50

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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.