Home / 3,708.90-5,556.60-1,756.80

Finding the Fourth Proportional to 3,708.90, 5,556.60 and 1,756.80

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Solution

The fourth proportional to 3,708.90, 5,556.60 and 1,756.80 is: 2,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.90 : 5,556.60 = 1,756.80 : x
  2. Step 2: Convert to fraction form
    3,708.90/5,556.60 = 1,756.80/x
  3. Step 3: Cross multiply
    3,708.90x = 5,556.60 × 1,756.80
  4. Step 4: Simplify right side
    3,708.90x = 9,761,834.88
  5. Step 5: Solve for x
    x = 9,761,834.88/3,708.90
  6. Step 6: Final answer
    x = 2,632.00

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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.