Home / 5,462.94-7,538.86-3,105.23

Finding the Fourth Proportional to 5,462.94, 7,538.86 and 3,105.23

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Solution

The fourth proportional to 5,462.94, 7,538.86 and 3,105.23 is: 4,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.94 : 7,538.86 = 3,105.23 : x
  2. Step 2: Convert to fraction form
    5,462.94/7,538.86 = 3,105.23/x
  3. Step 3: Cross multiply
    5,462.94x = 7,538.86 × 3,105.23
  4. Step 4: Simplify right side
    5,462.94x = 23,409,878.71
  5. Step 5: Solve for x
    x = 23,409,878.71/5,462.94
  6. Step 6: Final answer
    x = 4,285.22

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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.