Home / 3,570.36-5,352.63-1,491.90

Finding the Fourth Proportional to 3,570.36, 5,352.63 and 1,491.90

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Solution

The fourth proportional to 3,570.36, 5,352.63 and 1,491.90 is: 2,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.36 : 5,352.63 = 1,491.90 : x
  2. Step 2: Convert to fraction form
    3,570.36/5,352.63 = 1,491.90/x
  3. Step 3: Cross multiply
    3,570.36x = 5,352.63 × 1,491.90
  4. Step 4: Simplify right side
    3,570.36x = 7,985,588.70
  5. Step 5: Solve for x
    x = 7,985,588.70/3,570.36
  6. Step 6: Final answer
    x = 2,236.63

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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.