Home / 4,245.20-5,858.70-2,453

Finding the Fourth Proportional to 4,245.20, 5,858.70 and 2,453

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Solution

The fourth proportional to 4,245.20, 5,858.70 and 2,453 is: 3,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.20 : 5,858.70 = 2,453 : x
  2. Step 2: Convert to fraction form
    4,245.20/5,858.70 = 2,453/x
  3. Step 3: Cross multiply
    4,245.20x = 5,858.70 × 2,453
  4. Step 4: Simplify right side
    4,245.20x = 14,371,391.10
  5. Step 5: Solve for x
    x = 14,371,391.10/4,245.20
  6. Step 6: Final answer
    x = 3,385.33

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1.5x scale

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.