Home / 2,072.36-2,859.78-1,483.88

Finding the Fourth Proportional to 2,072.36, 2,859.78 and 1,483.88

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Solution

The fourth proportional to 2,072.36, 2,859.78 and 1,483.88 is: 2,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.36 : 2,859.78 = 1,483.88 : x
  2. Step 2: Convert to fraction form
    2,072.36/2,859.78 = 1,483.88/x
  3. Step 3: Cross multiply
    2,072.36x = 2,859.78 × 1,483.88
  4. Step 4: Simplify right side
    2,072.36x = 4,243,570.35
  5. Step 5: Solve for x
    x = 4,243,570.35/2,072.36
  6. Step 6: Final answer
    x = 2,047.70

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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.