Home / 3,854.74-5,319.54-2,176.14

Finding the Fourth Proportional to 3,854.74, 5,319.54 and 2,176.14

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Solution

The fourth proportional to 3,854.74, 5,319.54 and 2,176.14 is: 3,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.74 : 5,319.54 = 2,176.14 : x
  2. Step 2: Convert to fraction form
    3,854.74/5,319.54 = 2,176.14/x
  3. Step 3: Cross multiply
    3,854.74x = 5,319.54 × 2,176.14
  4. Step 4: Simplify right side
    3,854.74x = 11,576,063.78
  5. Step 5: Solve for x
    x = 11,576,063.78/3,854.74
  6. Step 6: Final answer
    x = 3,003.07

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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.