Home / 2,712.53-3,743.16-1,533.57

Finding the Fourth Proportional to 2,712.53, 3,743.16 and 1,533.57

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Solution

The fourth proportional to 2,712.53, 3,743.16 and 1,533.57 is: 2,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.53 : 3,743.16 = 1,533.57 : x
  2. Step 2: Convert to fraction form
    2,712.53/3,743.16 = 1,533.57/x
  3. Step 3: Cross multiply
    2,712.53x = 3,743.16 × 1,533.57
  4. Step 4: Simplify right side
    2,712.53x = 5,740,397.88
  5. Step 5: Solve for x
    x = 5,740,397.88/2,712.53
  6. Step 6: Final answer
    x = 2,116.26

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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.