Home / 4,659.49-6,429.71-2,745.01

Finding the Fourth Proportional to 4,659.49, 6,429.71 and 2,745.01

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Solution

The fourth proportional to 4,659.49, 6,429.71 and 2,745.01 is: 3,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.49 : 6,429.71 = 2,745.01 : x
  2. Step 2: Convert to fraction form
    4,659.49/6,429.71 = 2,745.01/x
  3. Step 3: Cross multiply
    4,659.49x = 6,429.71 × 2,745.01
  4. Step 4: Simplify right side
    4,659.49x = 17,649,618.25
  5. Step 5: Solve for x
    x = 17,649,618.25/4,659.49
  6. Step 6: Final answer
    x = 3,787.89

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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.