Home / 4,767.28-6,577.80-2,878.96

Finding the Fourth Proportional to 4,767.28, 6,577.80 and 2,878.96

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Solution

The fourth proportional to 4,767.28, 6,577.80 and 2,878.96 is: 3,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.28 : 6,577.80 = 2,878.96 : x
  2. Step 2: Convert to fraction form
    4,767.28/6,577.80 = 2,878.96/x
  3. Step 3: Cross multiply
    4,767.28x = 6,577.80 × 2,878.96
  4. Step 4: Simplify right side
    4,767.28x = 18,937,223.09
  5. Step 5: Solve for x
    x = 18,937,223.09/4,767.28
  6. Step 6: Final answer
    x = 3,972.33

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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.