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Finding the Fourth Proportional to 3,901.58, 5,851.15 and 1,303.91

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Solution

The fourth proportional to 3,901.58, 5,851.15 and 1,303.91 is: 1,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.58 : 5,851.15 = 1,303.91 : x
  2. Step 2: Convert to fraction form
    3,901.58/5,851.15 = 1,303.91/x
  3. Step 3: Cross multiply
    3,901.58x = 5,851.15 × 1,303.91
  4. Step 4: Simplify right side
    3,901.58x = 7,629,358.37
  5. Step 5: Solve for x
    x = 7,629,358.37/3,901.58
  6. Step 6: Final answer
    x = 1,955.45

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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.