Home / 3,197.61-4,411.35-1,938.33

Finding the Fourth Proportional to 3,197.61, 4,411.35 and 1,938.33

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Solution

The fourth proportional to 3,197.61, 4,411.35 and 1,938.33 is: 2,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.61 : 4,411.35 = 1,938.33 : x
  2. Step 2: Convert to fraction form
    3,197.61/4,411.35 = 1,938.33/x
  3. Step 3: Cross multiply
    3,197.61x = 4,411.35 × 1,938.33
  4. Step 4: Simplify right side
    3,197.61x = 8,550,652.05
  5. Step 5: Solve for x
    x = 8,550,652.05/3,197.61
  6. Step 6: Final answer
    x = 2,674.08

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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.