Home / 5,175.48-7,777.98-3,455.04

Finding the Fourth Proportional to 5,175.48, 7,777.98 and 3,455.04

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Solution

The fourth proportional to 5,175.48, 7,777.98 and 3,455.04 is: 5,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.48 : 7,777.98 = 3,455.04 : x
  2. Step 2: Convert to fraction form
    5,175.48/7,777.98 = 3,455.04/x
  3. Step 3: Cross multiply
    5,175.48x = 7,777.98 × 3,455.04
  4. Step 4: Simplify right side
    5,175.48x = 26,873,232.02
  5. Step 5: Solve for x
    x = 26,873,232.02/5,175.48
  6. Step 6: Final answer
    x = 5,192.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.