Home / 3,525.84-4,867.38-2,686.68

Finding the Fourth Proportional to 3,525.84, 4,867.38 and 2,686.68

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Solution

The fourth proportional to 3,525.84, 4,867.38 and 2,686.68 is: 3,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.84 : 4,867.38 = 2,686.68 : x
  2. Step 2: Convert to fraction form
    3,525.84/4,867.38 = 2,686.68/x
  3. Step 3: Cross multiply
    3,525.84x = 4,867.38 × 2,686.68
  4. Step 4: Simplify right side
    3,525.84x = 13,077,092.50
  5. Step 5: Solve for x
    x = 13,077,092.50/3,525.84
  6. Step 6: Final answer
    x = 3,708.93

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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.