Home / 5,352.10-8,031.75-2,430.70

Finding the Fourth Proportional to 5,352.10, 8,031.75 and 2,430.70

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Solution

The fourth proportional to 5,352.10, 8,031.75 and 2,430.70 is: 3,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.10 : 8,031.75 = 2,430.70 : x
  2. Step 2: Convert to fraction form
    5,352.10/8,031.75 = 2,430.70/x
  3. Step 3: Cross multiply
    5,352.10x = 8,031.75 × 2,430.70
  4. Step 4: Simplify right side
    5,352.10x = 19,522,774.73
  5. Step 5: Solve for x
    x = 19,522,774.73/5,352.10
  6. Step 6: Final answer
    x = 3,647.68

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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.