Home / 4,675.78-6,452.79-2,686.37

Finding the Fourth Proportional to 4,675.78, 6,452.79 and 2,686.37

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Solution

The fourth proportional to 4,675.78, 6,452.79 and 2,686.37 is: 3,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.78 : 6,452.79 = 2,686.37 : x
  2. Step 2: Convert to fraction form
    4,675.78/6,452.79 = 2,686.37/x
  3. Step 3: Cross multiply
    4,675.78x = 6,452.79 × 2,686.37
  4. Step 4: Simplify right side
    4,675.78x = 17,334,546.69
  5. Step 5: Solve for x
    x = 17,334,546.69/4,675.78
  6. Step 6: Final answer
    x = 3,707.31

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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.