Home / 1,781.94-2,459.09-1,036.33

Finding the Fourth Proportional to 1,781.94, 2,459.09 and 1,036.33

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Solution

The fourth proportional to 1,781.94, 2,459.09 and 1,036.33 is: 1,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.94 : 2,459.09 = 1,036.33 : x
  2. Step 2: Convert to fraction form
    1,781.94/2,459.09 = 1,036.33/x
  3. Step 3: Cross multiply
    1,781.94x = 2,459.09 × 1,036.33
  4. Step 4: Simplify right side
    1,781.94x = 2,548,428.74
  5. Step 5: Solve for x
    x = 2,548,428.74/1,781.94
  6. Step 6: Final answer
    x = 1,430.14

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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.