Home / 3,903.18-5,849.55-2,858.28

Finding the Fourth Proportional to 3,903.18, 5,849.55 and 2,858.28

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Solution

The fourth proportional to 3,903.18, 5,849.55 and 2,858.28 is: 4,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.18 : 5,849.55 = 2,858.28 : x
  2. Step 2: Convert to fraction form
    3,903.18/5,849.55 = 2,858.28/x
  3. Step 3: Cross multiply
    3,903.18x = 5,849.55 × 2,858.28
  4. Step 4: Simplify right side
    3,903.18x = 16,719,651.77
  5. Step 5: Solve for x
    x = 16,719,651.77/3,903.18
  6. Step 6: Final answer
    x = 4,283.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.