Home / 2,686.37-3,707.12-1,567.35

Finding the Fourth Proportional to 2,686.37, 3,707.12 and 1,567.35

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Solution

The fourth proportional to 2,686.37, 3,707.12 and 1,567.35 is: 2,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.37 : 3,707.12 = 1,567.35 : x
  2. Step 2: Convert to fraction form
    2,686.37/3,707.12 = 1,567.35/x
  3. Step 3: Cross multiply
    2,686.37x = 3,707.12 × 1,567.35
  4. Step 4: Simplify right side
    2,686.37x = 5,810,349.63
  5. Step 5: Solve for x
    x = 5,810,349.63/2,686.37
  6. Step 6: Final answer
    x = 2,162.90

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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.