Home / 1,781.96-2,459.03-1,036.22

Finding the Fourth Proportional to 1,781.96, 2,459.03 and 1,036.22

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Solution

The fourth proportional to 1,781.96, 2,459.03 and 1,036.22 is: 1,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.96 : 2,459.03 = 1,036.22 : x
  2. Step 2: Convert to fraction form
    1,781.96/2,459.03 = 1,036.22/x
  3. Step 3: Cross multiply
    1,781.96x = 2,459.03 × 1,036.22
  4. Step 4: Simplify right side
    1,781.96x = 2,548,078.59
  5. Step 5: Solve for x
    x = 2,548,078.59/1,781.96
  6. Step 6: Final answer
    x = 1,429.93

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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.