Home / 3,405.33-4,698.73-2,079.45

Finding the Fourth Proportional to 3,405.33, 4,698.73 and 2,079.45

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Solution

The fourth proportional to 3,405.33, 4,698.73 and 2,079.45 is: 2,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.33 : 4,698.73 = 2,079.45 : x
  2. Step 2: Convert to fraction form
    3,405.33/4,698.73 = 2,079.45/x
  3. Step 3: Cross multiply
    3,405.33x = 4,698.73 × 2,079.45
  4. Step 4: Simplify right side
    3,405.33x = 9,770,774.10
  5. Step 5: Solve for x
    x = 9,770,774.10/3,405.33
  6. Step 6: Final answer
    x = 2,869.26

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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.