Home / 4,700.79-6,485.27-3,021.98

Finding the Fourth Proportional to 4,700.79, 6,485.27 and 3,021.98

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Solution

The fourth proportional to 4,700.79, 6,485.27 and 3,021.98 is: 4,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.79 : 6,485.27 = 3,021.98 : x
  2. Step 2: Convert to fraction form
    4,700.79/6,485.27 = 3,021.98/x
  3. Step 3: Cross multiply
    4,700.79x = 6,485.27 × 3,021.98
  4. Step 4: Simplify right side
    4,700.79x = 19,598,308.70
  5. Step 5: Solve for x
    x = 19,598,308.70/4,700.79
  6. Step 6: Final answer
    x = 4,169.15

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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.