Home / 2,342.32-3,513.48-2,199.76

Finding the Fourth Proportional to 2,342.32, 3,513.48 and 2,199.76

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Solution

The fourth proportional to 2,342.32, 3,513.48 and 2,199.76 is: 3,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.32 : 3,513.48 = 2,199.76 : x
  2. Step 2: Convert to fraction form
    2,342.32/3,513.48 = 2,199.76/x
  3. Step 3: Cross multiply
    2,342.32x = 3,513.48 × 2,199.76
  4. Step 4: Simplify right side
    2,342.32x = 7,728,812.76
  5. Step 5: Solve for x
    x = 7,728,812.76/2,342.32
  6. Step 6: Final answer
    x = 3,299.64

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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.