Home / 5,490.68-7,577.46-3,133.58

Finding the Fourth Proportional to 5,490.68, 7,577.46 and 3,133.58

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Solution

The fourth proportional to 5,490.68, 7,577.46 and 3,133.58 is: 4,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.68 : 7,577.46 = 3,133.58 : x
  2. Step 2: Convert to fraction form
    5,490.68/7,577.46 = 3,133.58/x
  3. Step 3: Cross multiply
    5,490.68x = 7,577.46 × 3,133.58
  4. Step 4: Simplify right side
    5,490.68x = 23,744,577.11
  5. Step 5: Solve for x
    x = 23,744,577.11/5,490.68
  6. Step 6: Final answer
    x = 4,324.52

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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.