Home / 3,854.81-5,319.52-2,176.19

Finding the Fourth Proportional to 3,854.81, 5,319.52 and 2,176.19

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Solution

The fourth proportional to 3,854.81, 5,319.52 and 2,176.19 is: 3,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.81 : 5,319.52 = 2,176.19 : x
  2. Step 2: Convert to fraction form
    3,854.81/5,319.52 = 2,176.19/x
  3. Step 3: Cross multiply
    3,854.81x = 5,319.52 × 2,176.19
  4. Step 4: Simplify right side
    3,854.81x = 11,576,286.23
  5. Step 5: Solve for x
    x = 11,576,286.23/3,854.81
  6. Step 6: Final answer
    x = 3,003.08

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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.