Home / 2,686.59-3,707.44-1,567.57

Finding the Fourth Proportional to 2,686.59, 3,707.44 and 1,567.57

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Solution

The fourth proportional to 2,686.59, 3,707.44 and 1,567.57 is: 2,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.59 : 3,707.44 = 1,567.57 : x
  2. Step 2: Convert to fraction form
    2,686.59/3,707.44 = 1,567.57/x
  3. Step 3: Cross multiply
    2,686.59x = 3,707.44 × 1,567.57
  4. Step 4: Simplify right side
    2,686.59x = 5,811,671.72
  5. Step 5: Solve for x
    x = 5,811,671.72/2,686.59
  6. Step 6: Final answer
    x = 2,163.21

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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.