Home / 3,713.54-5,570.40-1,116.50

Finding the Fourth Proportional to 3,713.54, 5,570.40 and 1,116.50

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Solution

The fourth proportional to 3,713.54, 5,570.40 and 1,116.50 is: 1,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.54 : 5,570.40 = 1,116.50 : x
  2. Step 2: Convert to fraction form
    3,713.54/5,570.40 = 1,116.50/x
  3. Step 3: Cross multiply
    3,713.54x = 5,570.40 × 1,116.50
  4. Step 4: Simplify right side
    3,713.54x = 6,219,351.60
  5. Step 5: Solve for x
    x = 6,219,351.60/3,713.54
  6. Step 6: Final answer
    x = 1,674.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.