Home / 5,433.04-8,158.40-5,028.80

Finding the Fourth Proportional to 5,433.04, 8,158.40 and 5,028.80

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Solution

The fourth proportional to 5,433.04, 8,158.40 and 5,028.80 is: 7,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.04 : 8,158.40 = 5,028.80 : x
  2. Step 2: Convert to fraction form
    5,433.04/8,158.40 = 5,028.80/x
  3. Step 3: Cross multiply
    5,433.04x = 8,158.40 × 5,028.80
  4. Step 4: Simplify right side
    5,433.04x = 41,026,961.92
  5. Step 5: Solve for x
    x = 41,026,961.92/5,433.04
  6. Step 6: Final answer
    x = 7,551.38

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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.