Home / 2,712.01-3,742.86-1,533.19

Finding the Fourth Proportional to 2,712.01, 3,742.86 and 1,533.19

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Solution

The fourth proportional to 2,712.01, 3,742.86 and 1,533.19 is: 2,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.01 : 3,742.86 = 1,533.19 : x
  2. Step 2: Convert to fraction form
    2,712.01/3,742.86 = 1,533.19/x
  3. Step 3: Cross multiply
    2,712.01x = 3,742.86 × 1,533.19
  4. Step 4: Simplify right side
    2,712.01x = 5,738,515.52
  5. Step 5: Solve for x
    x = 5,738,515.52/2,712.01
  6. Step 6: Final answer
    x = 2,115.96

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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.