Home / 5,475.24-7,555.83-3,117.38

Finding the Fourth Proportional to 5,475.24, 7,555.83 and 3,117.38

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Solution

The fourth proportional to 5,475.24, 7,555.83 and 3,117.38 is: 4,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.24 : 7,555.83 = 3,117.38 : x
  2. Step 2: Convert to fraction form
    5,475.24/7,555.83 = 3,117.38/x
  3. Step 3: Cross multiply
    5,475.24x = 7,555.83 × 3,117.38
  4. Step 4: Simplify right side
    5,475.24x = 23,554,355.55
  5. Step 5: Solve for x
    x = 23,554,355.55/5,475.24
  6. Step 6: Final answer
    x = 4,301.98

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Half scale
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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.