Home / 5,578.02-7,699.46-3,691.26

Finding the Fourth Proportional to 5,578.02, 7,699.46 and 3,691.26

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Solution

The fourth proportional to 5,578.02, 7,699.46 and 3,691.26 is: 5,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.02 : 7,699.46 = 3,691.26 : x
  2. Step 2: Convert to fraction form
    5,578.02/7,699.46 = 3,691.26/x
  3. Step 3: Cross multiply
    5,578.02x = 7,699.46 × 3,691.26
  4. Step 4: Simplify right side
    5,578.02x = 28,420,690.26
  5. Step 5: Solve for x
    x = 28,420,690.26/5,578.02
  6. Step 6: Final answer
    x = 5,095.12

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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.