Home / 4,001.35-5,516.49-2,804.72

Finding the Fourth Proportional to 4,001.35, 5,516.49 and 2,804.72

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Solution

The fourth proportional to 4,001.35, 5,516.49 and 2,804.72 is: 3,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.35 : 5,516.49 = 2,804.72 : x
  2. Step 2: Convert to fraction form
    4,001.35/5,516.49 = 2,804.72/x
  3. Step 3: Cross multiply
    4,001.35x = 5,516.49 × 2,804.72
  4. Step 4: Simplify right side
    4,001.35x = 15,472,195.81
  5. Step 5: Solve for x
    x = 15,472,195.81/4,001.35
  6. Step 6: Final answer
    x = 3,866.75

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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.