Home / 3,746.81-5,620.01-1,149.74

Finding the Fourth Proportional to 3,746.81, 5,620.01 and 1,149.74

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Solution

The fourth proportional to 3,746.81, 5,620.01 and 1,149.74 is: 1,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.81 : 5,620.01 = 1,149.74 : x
  2. Step 2: Convert to fraction form
    3,746.81/5,620.01 = 1,149.74/x
  3. Step 3: Cross multiply
    3,746.81x = 5,620.01 × 1,149.74
  4. Step 4: Simplify right side
    3,746.81x = 6,461,544.55
  5. Step 5: Solve for x
    x = 6,461,544.55/3,746.81
  6. Step 6: Final answer
    x = 1,724.55

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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.