Home / 4,786.24-6,602.16-2,920

Finding the Fourth Proportional to 4,786.24, 6,602.16 and 2,920

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Solution

The fourth proportional to 4,786.24, 6,602.16 and 2,920 is: 4,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.24 : 6,602.16 = 2,920 : x
  2. Step 2: Convert to fraction form
    4,786.24/6,602.16 = 2,920/x
  3. Step 3: Cross multiply
    4,786.24x = 6,602.16 × 2,920
  4. Step 4: Simplify right side
    4,786.24x = 19,278,307.20
  5. Step 5: Solve for x
    x = 19,278,307.20/4,786.24
  6. Step 6: Final answer
    x = 4,027.86

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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.