Home / 5,549.07-8,319.90-2,261.28

Finding the Fourth Proportional to 5,549.07, 8,319.90 and 2,261.28

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Solution

The fourth proportional to 5,549.07, 8,319.90 and 2,261.28 is: 3,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.07 : 8,319.90 = 2,261.28 : x
  2. Step 2: Convert to fraction form
    5,549.07/8,319.90 = 2,261.28/x
  3. Step 3: Cross multiply
    5,549.07x = 8,319.90 × 2,261.28
  4. Step 4: Simplify right side
    5,549.07x = 18,813,623.47
  5. Step 5: Solve for x
    x = 18,813,623.47/5,549.07
  6. Step 6: Final answer
    x = 3,390.41

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1.5x scale

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.