Home / 2,090.53-2,884.94-1,427.36

Finding the Fourth Proportional to 2,090.53, 2,884.94 and 1,427.36

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Solution

The fourth proportional to 2,090.53, 2,884.94 and 1,427.36 is: 1,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.53 : 2,884.94 = 1,427.36 : x
  2. Step 2: Convert to fraction form
    2,090.53/2,884.94 = 1,427.36/x
  3. Step 3: Cross multiply
    2,090.53x = 2,884.94 × 1,427.36
  4. Step 4: Simplify right side
    2,090.53x = 4,117,847.96
  5. Step 5: Solve for x
    x = 4,117,847.96/2,090.53
  6. Step 6: Final answer
    x = 1,969.77

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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.