Home / 5,474.82-7,555.50-3,117.46

Finding the Fourth Proportional to 5,474.82, 7,555.50 and 3,117.46

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Solution

The fourth proportional to 5,474.82, 7,555.50 and 3,117.46 is: 4,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.82 : 7,555.50 = 3,117.46 : x
  2. Step 2: Convert to fraction form
    5,474.82/7,555.50 = 3,117.46/x
  3. Step 3: Cross multiply
    5,474.82x = 7,555.50 × 3,117.46
  4. Step 4: Simplify right side
    5,474.82x = 23,553,969.03
  5. Step 5: Solve for x
    x = 23,553,969.03/5,474.82
  6. Step 6: Final answer
    x = 4,302.24

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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.