Home / 5,348.22-7,380.75-2,990.94

Finding the Fourth Proportional to 5,348.22, 7,380.75 and 2,990.94

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Solution

The fourth proportional to 5,348.22, 7,380.75 and 2,990.94 is: 4,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.22 : 7,380.75 = 2,990.94 : x
  2. Step 2: Convert to fraction form
    5,348.22/7,380.75 = 2,990.94/x
  3. Step 3: Cross multiply
    5,348.22x = 7,380.75 × 2,990.94
  4. Step 4: Simplify right side
    5,348.22x = 22,075,380.41
  5. Step 5: Solve for x
    x = 22,075,380.41/5,348.22
  6. Step 6: Final answer
    x = 4,127.61

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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.