Home / 4,086.13-5,639.89-2,406.93

Finding the Fourth Proportional to 4,086.13, 5,639.89 and 2,406.93

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Solution

The fourth proportional to 4,086.13, 5,639.89 and 2,406.93 is: 3,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.13 : 5,639.89 = 2,406.93 : x
  2. Step 2: Convert to fraction form
    4,086.13/5,639.89 = 2,406.93/x
  3. Step 3: Cross multiply
    4,086.13x = 5,639.89 × 2,406.93
  4. Step 4: Simplify right side
    4,086.13x = 13,574,820.44
  5. Step 5: Solve for x
    x = 13,574,820.44/4,086.13
  6. Step 6: Final answer
    x = 3,322.17

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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.