Home / 3,703.12-5,109.68-2,376.56

Finding the Fourth Proportional to 3,703.12, 5,109.68 and 2,376.56

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Solution

The fourth proportional to 3,703.12, 5,109.68 and 2,376.56 is: 3,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.12 : 5,109.68 = 2,376.56 : x
  2. Step 2: Convert to fraction form
    3,703.12/5,109.68 = 2,376.56/x
  3. Step 3: Cross multiply
    3,703.12x = 5,109.68 × 2,376.56
  4. Step 4: Simplify right side
    3,703.12x = 12,143,461.10
  5. Step 5: Solve for x
    x = 12,143,461.10/3,703.12
  6. Step 6: Final answer
    x = 3,279.25

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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.