Home / 3,708.49-5,117.21-2,383.98

Finding the Fourth Proportional to 3,708.49, 5,117.21 and 2,383.98

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Solution

The fourth proportional to 3,708.49, 5,117.21 and 2,383.98 is: 3,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.49 : 5,117.21 = 2,383.98 : x
  2. Step 2: Convert to fraction form
    3,708.49/5,117.21 = 2,383.98/x
  3. Step 3: Cross multiply
    3,708.49x = 5,117.21 × 2,383.98
  4. Step 4: Simplify right side
    3,708.49x = 12,199,326.30
  5. Step 5: Solve for x
    x = 12,199,326.30/3,708.49
  6. Step 6: Final answer
    x = 3,289.57

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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.