Home / 3,415.84-4,713.06-2,668.48

Finding the Fourth Proportional to 3,415.84, 4,713.06 and 2,668.48

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Solution

The fourth proportional to 3,415.84, 4,713.06 and 2,668.48 is: 3,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.84 : 4,713.06 = 2,668.48 : x
  2. Step 2: Convert to fraction form
    3,415.84/4,713.06 = 2,668.48/x
  3. Step 3: Cross multiply
    3,415.84x = 4,713.06 × 2,668.48
  4. Step 4: Simplify right side
    3,415.84x = 12,576,706.35
  5. Step 5: Solve for x
    x = 12,576,706.35/3,415.84
  6. Step 6: Final answer
    x = 3,681.88

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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.