Home / 3,531.33-4,871.21-2,038.97

Finding the Fourth Proportional to 3,531.33, 4,871.21 and 2,038.97

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Solution

The fourth proportional to 3,531.33, 4,871.21 and 2,038.97 is: 2,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.33 : 4,871.21 = 2,038.97 : x
  2. Step 2: Convert to fraction form
    3,531.33/4,871.21 = 2,038.97/x
  3. Step 3: Cross multiply
    3,531.33x = 4,871.21 × 2,038.97
  4. Step 4: Simplify right side
    3,531.33x = 9,932,216.50
  5. Step 5: Solve for x
    x = 9,932,216.50/3,531.33
  6. Step 6: Final answer
    x = 2,812.60

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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.