Home / 4,679.47-7,021.40-2,046.64

Finding the Fourth Proportional to 4,679.47, 7,021.40 and 2,046.64

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Solution

The fourth proportional to 4,679.47, 7,021.40 and 2,046.64 is: 3,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.47 : 7,021.40 = 2,046.64 : x
  2. Step 2: Convert to fraction form
    4,679.47/7,021.40 = 2,046.64/x
  3. Step 3: Cross multiply
    4,679.47x = 7,021.40 × 2,046.64
  4. Step 4: Simplify right side
    4,679.47x = 14,370,278.10
  5. Step 5: Solve for x
    x = 14,370,278.10/4,679.47
  6. Step 6: Final answer
    x = 3,070.92

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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.