Home / 4,977.46-7,469.25-2,898.39

Finding the Fourth Proportional to 4,977.46, 7,469.25 and 2,898.39

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Solution

The fourth proportional to 4,977.46, 7,469.25 and 2,898.39 is: 4,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.46 : 7,469.25 = 2,898.39 : x
  2. Step 2: Convert to fraction form
    4,977.46/7,469.25 = 2,898.39/x
  3. Step 3: Cross multiply
    4,977.46x = 7,469.25 × 2,898.39
  4. Step 4: Simplify right side
    4,977.46x = 21,648,799.51
  5. Step 5: Solve for x
    x = 21,648,799.51/4,977.46
  6. Step 6: Final answer
    x = 4,349.37

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1.5x scale

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.