Home / 5,395.82-7,447.12-3,038.18

Finding the Fourth Proportional to 5,395.82, 7,447.12 and 3,038.18

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Solution

The fourth proportional to 5,395.82, 7,447.12 and 3,038.18 is: 4,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.82 : 7,447.12 = 3,038.18 : x
  2. Step 2: Convert to fraction form
    5,395.82/7,447.12 = 3,038.18/x
  3. Step 3: Cross multiply
    5,395.82x = 7,447.12 × 3,038.18
  4. Step 4: Simplify right side
    5,395.82x = 22,625,646.21
  5. Step 5: Solve for x
    x = 22,625,646.21/5,395.82
  6. Step 6: Final answer
    x = 4,193.18

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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.