Home / 5,462.47-7,538.19-3,105.07

Finding the Fourth Proportional to 5,462.47, 7,538.19 and 3,105.07

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Solution

The fourth proportional to 5,462.47, 7,538.19 and 3,105.07 is: 4,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.47 : 7,538.19 = 3,105.07 : x
  2. Step 2: Convert to fraction form
    5,462.47/7,538.19 = 3,105.07/x
  3. Step 3: Cross multiply
    5,462.47x = 7,538.19 × 3,105.07
  4. Step 4: Simplify right side
    5,462.47x = 23,406,607.62
  5. Step 5: Solve for x
    x = 23,406,607.62/5,462.47
  6. Step 6: Final answer
    x = 4,284.99

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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.