Home / 5,537.54-7,643.00-3,180.98

Finding the Fourth Proportional to 5,537.54, 7,643.00 and 3,180.98

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Solution

The fourth proportional to 5,537.54, 7,643.00 and 3,180.98 is: 4,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.54 : 7,643.00 = 3,180.98 : x
  2. Step 2: Convert to fraction form
    5,537.54/7,643.00 = 3,180.98/x
  3. Step 3: Cross multiply
    5,537.54x = 7,643.00 × 3,180.98
  4. Step 4: Simplify right side
    5,537.54x = 24,312,233.34
  5. Step 5: Solve for x
    x = 24,312,233.34/5,537.54
  6. Step 6: Final answer
    x = 4,390.44

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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.