Home / 5,447.98-7,518.39-3,090.22

Finding the Fourth Proportional to 5,447.98, 7,518.39 and 3,090.22

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Solution

The fourth proportional to 5,447.98, 7,518.39 and 3,090.22 is: 4,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.98 : 7,518.39 = 3,090.22 : x
  2. Step 2: Convert to fraction form
    5,447.98/7,518.39 = 3,090.22/x
  3. Step 3: Cross multiply
    5,447.98x = 7,518.39 × 3,090.22
  4. Step 4: Simplify right side
    5,447.98x = 23,233,479.15
  5. Step 5: Solve for x
    x = 23,233,479.15/5,447.98
  6. Step 6: Final answer
    x = 4,264.60

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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.