Home / 2,875.03-3,967.76-1,616.38

Finding the Fourth Proportional to 2,875.03, 3,967.76 and 1,616.38

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Solution

The fourth proportional to 2,875.03, 3,967.76 and 1,616.38 is: 2,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.03 : 3,967.76 = 1,616.38 : x
  2. Step 2: Convert to fraction form
    2,875.03/3,967.76 = 1,616.38/x
  3. Step 3: Cross multiply
    2,875.03x = 3,967.76 × 1,616.38
  4. Step 4: Simplify right side
    2,875.03x = 6,413,402.03
  5. Step 5: Solve for x
    x = 6,413,402.03/2,875.03
  6. Step 6: Final answer
    x = 2,230.73

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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.