Home / 3,976.64-5,953.44-2,605.76

Finding the Fourth Proportional to 3,976.64, 5,953.44 and 2,605.76

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Solution

The fourth proportional to 3,976.64, 5,953.44 and 2,605.76 is: 3,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.64 : 5,953.44 = 2,605.76 : x
  2. Step 2: Convert to fraction form
    3,976.64/5,953.44 = 2,605.76/x
  3. Step 3: Cross multiply
    3,976.64x = 5,953.44 × 2,605.76
  4. Step 4: Simplify right side
    3,976.64x = 15,513,235.81
  5. Step 5: Solve for x
    x = 15,513,235.81/3,976.64
  6. Step 6: Final answer
    x = 3,901.09

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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.