Home / 1,975.06-2,725.52-1,090.92

Finding the Fourth Proportional to 1,975.06, 2,725.52 and 1,090.92

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Solution

The fourth proportional to 1,975.06, 2,725.52 and 1,090.92 is: 1,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.06 : 2,725.52 = 1,090.92 : x
  2. Step 2: Convert to fraction form
    1,975.06/2,725.52 = 1,090.92/x
  3. Step 3: Cross multiply
    1,975.06x = 2,725.52 × 1,090.92
  4. Step 4: Simplify right side
    1,975.06x = 2,973,324.28
  5. Step 5: Solve for x
    x = 2,973,324.28/1,975.06
  6. Step 6: Final answer
    x = 1,505.43

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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.