Home / 2,864.03-3,954.12-2,199.59

Finding the Fourth Proportional to 2,864.03, 3,954.12 and 2,199.59

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Solution

The fourth proportional to 2,864.03, 3,954.12 and 2,199.59 is: 3,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.03 : 3,954.12 = 2,199.59 : x
  2. Step 2: Convert to fraction form
    2,864.03/3,954.12 = 2,199.59/x
  3. Step 3: Cross multiply
    2,864.03x = 3,954.12 × 2,199.59
  4. Step 4: Simplify right side
    2,864.03x = 8,697,442.81
  5. Step 5: Solve for x
    x = 8,697,442.81/2,864.03
  6. Step 6: Final answer
    x = 3,036.78

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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.