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Finding the Fourth Proportional to 2,746.81, 3,790.65 and 1,504.81

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Solution

The fourth proportional to 2,746.81, 3,790.65 and 1,504.81 is: 2,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.81 : 3,790.65 = 1,504.81 : x
  2. Step 2: Convert to fraction form
    2,746.81/3,790.65 = 1,504.81/x
  3. Step 3: Cross multiply
    2,746.81x = 3,790.65 × 1,504.81
  4. Step 4: Simplify right side
    2,746.81x = 5,704,208.03
  5. Step 5: Solve for x
    x = 5,704,208.03/2,746.81
  6. Step 6: Final answer
    x = 2,076.67

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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.