Home / 3,196.40-4,411.02-1,869.84

Finding the Fourth Proportional to 3,196.40, 4,411.02 and 1,869.84

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Solution

The fourth proportional to 3,196.40, 4,411.02 and 1,869.84 is: 2,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.40 : 4,411.02 = 1,869.84 : x
  2. Step 2: Convert to fraction form
    3,196.40/4,411.02 = 1,869.84/x
  3. Step 3: Cross multiply
    3,196.40x = 4,411.02 × 1,869.84
  4. Step 4: Simplify right side
    3,196.40x = 8,247,907.15
  5. Step 5: Solve for x
    x = 8,247,907.15/3,196.40
  6. Step 6: Final answer
    x = 2,580.38

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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.