Home / 3,696.07-5,100.40-2,017.45

Finding the Fourth Proportional to 3,696.07, 5,100.40 and 2,017.45

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Solution

The fourth proportional to 3,696.07, 5,100.40 and 2,017.45 is: 2,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.07 : 5,100.40 = 2,017.45 : x
  2. Step 2: Convert to fraction form
    3,696.07/5,100.40 = 2,017.45/x
  3. Step 3: Cross multiply
    3,696.07x = 5,100.40 × 2,017.45
  4. Step 4: Simplify right side
    3,696.07x = 10,289,801.98
  5. Step 5: Solve for x
    x = 10,289,801.98/3,696.07
  6. Step 6: Final answer
    x = 2,783.98

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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.