Home / 5,570.02-7,687.31-3,212.16

Finding the Fourth Proportional to 5,570.02, 7,687.31 and 3,212.16

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Solution

The fourth proportional to 5,570.02, 7,687.31 and 3,212.16 is: 4,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.02 : 7,687.31 = 3,212.16 : x
  2. Step 2: Convert to fraction form
    5,570.02/7,687.31 = 3,212.16/x
  3. Step 3: Cross multiply
    5,570.02x = 7,687.31 × 3,212.16
  4. Step 4: Simplify right side
    5,570.02x = 24,692,824.80
  5. Step 5: Solve for x
    x = 24,692,824.80/5,570.02
  6. Step 6: Final answer
    x = 4,433.17

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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.