Home / 4,775.82-6,589.04-2,887.98

Finding the Fourth Proportional to 4,775.82, 6,589.04 and 2,887.98

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Solution

The fourth proportional to 4,775.82, 6,589.04 and 2,887.98 is: 3,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.82 : 6,589.04 = 2,887.98 : x
  2. Step 2: Convert to fraction form
    4,775.82/6,589.04 = 2,887.98/x
  3. Step 3: Cross multiply
    4,775.82x = 6,589.04 × 2,887.98
  4. Step 4: Simplify right side
    4,775.82x = 19,029,015.74
  5. Step 5: Solve for x
    x = 19,029,015.74/4,775.82
  6. Step 6: Final answer
    x = 3,984.45

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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.