Home / 6,618.02-9,133.71-3,822.98

Finding the Fourth Proportional to 6,618.02, 9,133.71 and 3,822.98

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Solution

The fourth proportional to 6,618.02, 9,133.71 and 3,822.98 is: 5,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.02 : 9,133.71 = 3,822.98 : x
  2. Step 2: Convert to fraction form
    6,618.02/9,133.71 = 3,822.98/x
  3. Step 3: Cross multiply
    6,618.02x = 9,133.71 × 3,822.98
  4. Step 4: Simplify right side
    6,618.02x = 34,917,990.66
  5. Step 5: Solve for x
    x = 34,917,990.66/6,618.02
  6. Step 6: Final answer
    x = 5,276.20

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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.