Home / 1,782.44-2,459.94-1,036.64

Finding the Fourth Proportional to 1,782.44, 2,459.94 and 1,036.64

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Solution

The fourth proportional to 1,782.44, 2,459.94 and 1,036.64 is: 1,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.44 : 2,459.94 = 1,036.64 : x
  2. Step 2: Convert to fraction form
    1,782.44/2,459.94 = 1,036.64/x
  3. Step 3: Cross multiply
    1,782.44x = 2,459.94 × 1,036.64
  4. Step 4: Simplify right side
    1,782.44x = 2,550,072.20
  5. Step 5: Solve for x
    x = 2,550,072.20/1,782.44
  6. Step 6: Final answer
    x = 1,430.66

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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.