Home / 5,135.90-7,708.35-3,053.30

Finding the Fourth Proportional to 5,135.90, 7,708.35 and 3,053.30

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Solution

The fourth proportional to 5,135.90, 7,708.35 and 3,053.30 is: 4,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.90 : 7,708.35 = 3,053.30 : x
  2. Step 2: Convert to fraction form
    5,135.90/7,708.35 = 3,053.30/x
  3. Step 3: Cross multiply
    5,135.90x = 7,708.35 × 3,053.30
  4. Step 4: Simplify right side
    5,135.90x = 23,535,905.06
  5. Step 5: Solve for x
    x = 23,535,905.06/5,135.90
  6. Step 6: Final answer
    x = 4,582.63

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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.