Home / 1,765.98-2,436.14-1,047.75

Finding the Fourth Proportional to 1,765.98, 2,436.14 and 1,047.75

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Solution

The fourth proportional to 1,765.98, 2,436.14 and 1,047.75 is: 1,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.98 : 2,436.14 = 1,047.75 : x
  2. Step 2: Convert to fraction form
    1,765.98/2,436.14 = 1,047.75/x
  3. Step 3: Cross multiply
    1,765.98x = 2,436.14 × 1,047.75
  4. Step 4: Simplify right side
    1,765.98x = 2,552,453.49
  5. Step 5: Solve for x
    x = 2,552,453.49/1,765.98
  6. Step 6: Final answer
    x = 1,445.34

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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.