Home / 2,742.06-3,758.66-2,705.14

Finding the Fourth Proportional to 2,742.06, 3,758.66 and 2,705.14

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Solution

The fourth proportional to 2,742.06, 3,758.66 and 2,705.14 is: 3,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.06 : 3,758.66 = 2,705.14 : x
  2. Step 2: Convert to fraction form
    2,742.06/3,758.66 = 2,705.14/x
  3. Step 3: Cross multiply
    2,742.06x = 3,758.66 × 2,705.14
  4. Step 4: Simplify right side
    2,742.06x = 10,167,701.51
  5. Step 5: Solve for x
    x = 10,167,701.51/2,742.06
  6. Step 6: Final answer
    x = 3,708.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.