Home / 5,153.14-7,108.71-3,261.53

Finding the Fourth Proportional to 5,153.14, 7,108.71 and 3,261.53

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Solution

The fourth proportional to 5,153.14, 7,108.71 and 3,261.53 is: 4,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.14 : 7,108.71 = 3,261.53 : x
  2. Step 2: Convert to fraction form
    5,153.14/7,108.71 = 3,261.53/x
  3. Step 3: Cross multiply
    5,153.14x = 7,108.71 × 3,261.53
  4. Step 4: Simplify right side
    5,153.14x = 23,185,270.93
  5. Step 5: Solve for x
    x = 23,185,270.93/5,153.14
  6. Step 6: Final answer
    x = 4,499.26

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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.