Home / 3,540.10-4,883.98-2,281.06

Finding the Fourth Proportional to 3,540.10, 4,883.98 and 2,281.06

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Solution

The fourth proportional to 3,540.10, 4,883.98 and 2,281.06 is: 3,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.10 : 4,883.98 = 2,281.06 : x
  2. Step 2: Convert to fraction form
    3,540.10/4,883.98 = 2,281.06/x
  3. Step 3: Cross multiply
    3,540.10x = 4,883.98 × 2,281.06
  4. Step 4: Simplify right side
    3,540.10x = 11,140,615.59
  5. Step 5: Solve for x
    x = 11,140,615.59/3,540.10
  6. Step 6: Final answer
    x = 3,146.98

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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.