Home / 3,805.10-5,252.65-2,313.49

Finding the Fourth Proportional to 3,805.10, 5,252.65 and 2,313.49

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Solution

The fourth proportional to 3,805.10, 5,252.65 and 2,313.49 is: 3,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.10 : 5,252.65 = 2,313.49 : x
  2. Step 2: Convert to fraction form
    3,805.10/5,252.65 = 2,313.49/x
  3. Step 3: Cross multiply
    3,805.10x = 5,252.65 × 2,313.49
  4. Step 4: Simplify right side
    3,805.10x = 12,151,955.61
  5. Step 5: Solve for x
    x = 12,151,955.61/3,805.10
  6. Step 6: Final answer
    x = 3,193.60

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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.