Home / 5,348.03-7,380.61-2,990.16

Finding the Fourth Proportional to 5,348.03, 7,380.61 and 2,990.16

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Solution

The fourth proportional to 5,348.03, 7,380.61 and 2,990.16 is: 4,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.03 : 7,380.61 = 2,990.16 : x
  2. Step 2: Convert to fraction form
    5,348.03/7,380.61 = 2,990.16/x
  3. Step 3: Cross multiply
    5,348.03x = 7,380.61 × 2,990.16
  4. Step 4: Simplify right side
    5,348.03x = 22,069,197.32
  5. Step 5: Solve for x
    x = 22,069,197.32/5,348.03
  6. Step 6: Final answer
    x = 4,126.61

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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.