Home / 5,490.98-7,577.52-3,133.08

Finding the Fourth Proportional to 5,490.98, 7,577.52 and 3,133.08

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Solution

The fourth proportional to 5,490.98, 7,577.52 and 3,133.08 is: 4,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.98 : 7,577.52 = 3,133.08 : x
  2. Step 2: Convert to fraction form
    5,490.98/7,577.52 = 3,133.08/x
  3. Step 3: Cross multiply
    5,490.98x = 7,577.52 × 3,133.08
  4. Step 4: Simplify right side
    5,490.98x = 23,740,976.36
  5. Step 5: Solve for x
    x = 23,740,976.36/5,490.98
  6. Step 6: Final answer
    x = 4,323.63

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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.