Home / 2,874.71-3,961.99-2,475.35

Finding the Fourth Proportional to 2,874.71, 3,961.99 and 2,475.35

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Solution

The fourth proportional to 2,874.71, 3,961.99 and 2,475.35 is: 3,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.71 : 3,961.99 = 2,475.35 : x
  2. Step 2: Convert to fraction form
    2,874.71/3,961.99 = 2,475.35/x
  3. Step 3: Cross multiply
    2,874.71x = 3,961.99 × 2,475.35
  4. Step 4: Simplify right side
    2,874.71x = 9,807,311.95
  5. Step 5: Solve for x
    x = 9,807,311.95/2,874.71
  6. Step 6: Final answer
    x = 3,411.58

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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.