Home / 3,743.66-5,616.32-1,870.56

Finding the Fourth Proportional to 3,743.66, 5,616.32 and 1,870.56

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Solution

The fourth proportional to 3,743.66, 5,616.32 and 1,870.56 is: 2,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.66 : 5,616.32 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    3,743.66/5,616.32 = 1,870.56/x
  3. Step 3: Cross multiply
    3,743.66x = 5,616.32 × 1,870.56
  4. Step 4: Simplify right side
    3,743.66x = 10,505,654.19
  5. Step 5: Solve for x
    x = 10,505,654.19/3,743.66
  6. Step 6: Final answer
    x = 2,806.25

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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.