Home / 3,185.48-4,396.02-1,926.32

Finding the Fourth Proportional to 3,185.48, 4,396.02 and 1,926.32

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Solution

The fourth proportional to 3,185.48, 4,396.02 and 1,926.32 is: 2,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.48 : 4,396.02 = 1,926.32 : x
  2. Step 2: Convert to fraction form
    3,185.48/4,396.02 = 1,926.32/x
  3. Step 3: Cross multiply
    3,185.48x = 4,396.02 × 1,926.32
  4. Step 4: Simplify right side
    3,185.48x = 8,468,141.25
  5. Step 5: Solve for x
    x = 8,468,141.25/3,185.48
  6. Step 6: Final answer
    x = 2,658.36

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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.