Home / 1,453.25-2,168.43-1,365.09

Finding the Fourth Proportional to 1,453.25, 2,168.43 and 1,365.09

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Solution

The fourth proportional to 1,453.25, 2,168.43 and 1,365.09 is: 2,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.25 : 2,168.43 = 1,365.09 : x
  2. Step 2: Convert to fraction form
    1,453.25/2,168.43 = 1,365.09/x
  3. Step 3: Cross multiply
    1,453.25x = 2,168.43 × 1,365.09
  4. Step 4: Simplify right side
    1,453.25x = 2,960,102.11
  5. Step 5: Solve for x
    x = 2,960,102.11/1,453.25
  6. Step 6: Final answer
    x = 2,036.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.