Home / 2,817.18-3,884.13-1,859.94

Finding the Fourth Proportional to 2,817.18, 3,884.13 and 1,859.94

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Solution

The fourth proportional to 2,817.18, 3,884.13 and 1,859.94 is: 2,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.18 : 3,884.13 = 1,859.94 : x
  2. Step 2: Convert to fraction form
    2,817.18/3,884.13 = 1,859.94/x
  3. Step 3: Cross multiply
    2,817.18x = 3,884.13 × 1,859.94
  4. Step 4: Simplify right side
    2,817.18x = 7,224,260.75
  5. Step 5: Solve for x
    x = 7,224,260.75/2,817.18
  6. Step 6: Final answer
    x = 2,564.36

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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.