Home / 5,185.93-7,157.28-3,297.70

Finding the Fourth Proportional to 5,185.93, 7,157.28 and 3,297.70

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Solution

The fourth proportional to 5,185.93, 7,157.28 and 3,297.70 is: 4,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.93 : 7,157.28 = 3,297.70 : x
  2. Step 2: Convert to fraction form
    5,185.93/7,157.28 = 3,297.70/x
  3. Step 3: Cross multiply
    5,185.93x = 7,157.28 × 3,297.70
  4. Step 4: Simplify right side
    5,185.93x = 23,602,562.26
  5. Step 5: Solve for x
    x = 23,602,562.26/5,185.93
  6. Step 6: Final answer
    x = 4,551.27

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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.