Home / 5,141.48-7,102.50-4,092.20

Finding the Fourth Proportional to 5,141.48, 7,102.50 and 4,092.20

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Solution

The fourth proportional to 5,141.48, 7,102.50 and 4,092.20 is: 5,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.48 : 7,102.50 = 4,092.20 : x
  2. Step 2: Convert to fraction form
    5,141.48/7,102.50 = 4,092.20/x
  3. Step 3: Cross multiply
    5,141.48x = 7,102.50 × 4,092.20
  4. Step 4: Simplify right side
    5,141.48x = 29,064,850.50
  5. Step 5: Solve for x
    x = 29,064,850.50/5,141.48
  6. Step 6: Final answer
    x = 5,653.01

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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.