Home / 3,528.20-5,291.16-1,883.78

Finding the Fourth Proportional to 3,528.20, 5,291.16 and 1,883.78

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Solution

The fourth proportional to 3,528.20, 5,291.16 and 1,883.78 is: 2,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.20 : 5,291.16 = 1,883.78 : x
  2. Step 2: Convert to fraction form
    3,528.20/5,291.16 = 1,883.78/x
  3. Step 3: Cross multiply
    3,528.20x = 5,291.16 × 1,883.78
  4. Step 4: Simplify right side
    3,528.20x = 9,967,381.38
  5. Step 5: Solve for x
    x = 9,967,381.38/3,528.20
  6. Step 6: Final answer
    x = 2,825.06

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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.