Home / 2,875.35-3,967.96-1,616.41

Finding the Fourth Proportional to 2,875.35, 3,967.96 and 1,616.41

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Solution

The fourth proportional to 2,875.35, 3,967.96 and 1,616.41 is: 2,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.35 : 3,967.96 = 1,616.41 : x
  2. Step 2: Convert to fraction form
    2,875.35/3,967.96 = 1,616.41/x
  3. Step 3: Cross multiply
    2,875.35x = 3,967.96 × 1,616.41
  4. Step 4: Simplify right side
    2,875.35x = 6,413,836.40
  5. Step 5: Solve for x
    x = 6,413,836.40/2,875.35
  6. Step 6: Final answer
    x = 2,230.63

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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.