Home / 3,439.53-4,742.01-2,802.33

Finding the Fourth Proportional to 3,439.53, 4,742.01 and 2,802.33

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Solution

The fourth proportional to 3,439.53, 4,742.01 and 2,802.33 is: 3,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.53 : 4,742.01 = 2,802.33 : x
  2. Step 2: Convert to fraction form
    3,439.53/4,742.01 = 2,802.33/x
  3. Step 3: Cross multiply
    3,439.53x = 4,742.01 × 2,802.33
  4. Step 4: Simplify right side
    3,439.53x = 13,288,676.88
  5. Step 5: Solve for x
    x = 13,288,676.88/3,439.53
  6. Step 6: Final answer
    x = 3,863.52

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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.