Home / 1,586.56-2,189.44-1,365.12

Finding the Fourth Proportional to 1,586.56, 2,189.44 and 1,365.12

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Solution

The fourth proportional to 1,586.56, 2,189.44 and 1,365.12 is: 1,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.56 : 2,189.44 = 1,365.12 : x
  2. Step 2: Convert to fraction form
    1,586.56/2,189.44 = 1,365.12/x
  3. Step 3: Cross multiply
    1,586.56x = 2,189.44 × 1,365.12
  4. Step 4: Simplify right side
    1,586.56x = 2,988,848.33
  5. Step 5: Solve for x
    x = 2,988,848.33/1,586.56
  6. Step 6: Final answer
    x = 1,883.85

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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.