Home / 3,467.86-4,781.56-2,802.64

Finding the Fourth Proportional to 3,467.86, 4,781.56 and 2,802.64

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Solution

The fourth proportional to 3,467.86, 4,781.56 and 2,802.64 is: 3,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.86 : 4,781.56 = 2,802.64 : x
  2. Step 2: Convert to fraction form
    3,467.86/4,781.56 = 2,802.64/x
  3. Step 3: Cross multiply
    3,467.86x = 4,781.56 × 2,802.64
  4. Step 4: Simplify right side
    3,467.86x = 13,400,991.32
  5. Step 5: Solve for x
    x = 13,400,991.32/3,467.86
  6. Step 6: Final answer
    x = 3,864.34

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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.