Home / 4,893.48-7,340.70-1,605.78

Finding the Fourth Proportional to 4,893.48, 7,340.70 and 1,605.78

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Solution

The fourth proportional to 4,893.48, 7,340.70 and 1,605.78 is: 2,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.48 : 7,340.70 = 1,605.78 : x
  2. Step 2: Convert to fraction form
    4,893.48/7,340.70 = 1,605.78/x
  3. Step 3: Cross multiply
    4,893.48x = 7,340.70 × 1,605.78
  4. Step 4: Simplify right side
    4,893.48x = 11,787,549.25
  5. Step 5: Solve for x
    x = 11,787,549.25/4,893.48
  6. Step 6: Final answer
    x = 2,408.83

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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.