Home / 4,577.88-6,857.66-2,109.32

Finding the Fourth Proportional to 4,577.88, 6,857.66 and 2,109.32

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Solution

The fourth proportional to 4,577.88, 6,857.66 and 2,109.32 is: 3,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.88 : 6,857.66 = 2,109.32 : x
  2. Step 2: Convert to fraction form
    4,577.88/6,857.66 = 2,109.32/x
  3. Step 3: Cross multiply
    4,577.88x = 6,857.66 × 2,109.32
  4. Step 4: Simplify right side
    4,577.88x = 14,464,999.39
  5. Step 5: Solve for x
    x = 14,464,999.39/4,577.88
  6. Step 6: Final answer
    x = 3,159.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.