Home / 5,382.02-8,065.51-2,607.95

Finding the Fourth Proportional to 5,382.02, 8,065.51 and 2,607.95

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Solution

The fourth proportional to 5,382.02, 8,065.51 and 2,607.95 is: 3,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.02 : 8,065.51 = 2,607.95 : x
  2. Step 2: Convert to fraction form
    5,382.02/8,065.51 = 2,607.95/x
  3. Step 3: Cross multiply
    5,382.02x = 8,065.51 × 2,607.95
  4. Step 4: Simplify right side
    5,382.02x = 21,034,467.12
  5. Step 5: Solve for x
    x = 21,034,467.12/5,382.02
  6. Step 6: Final answer
    x = 3,908.29

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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.