Home / 5,327.72-7,980.53-4,503.12

Finding the Fourth Proportional to 5,327.72, 7,980.53 and 4,503.12

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Solution

The fourth proportional to 5,327.72, 7,980.53 and 4,503.12 is: 6,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.72 : 7,980.53 = 4,503.12 : x
  2. Step 2: Convert to fraction form
    5,327.72/7,980.53 = 4,503.12/x
  3. Step 3: Cross multiply
    5,327.72x = 7,980.53 × 4,503.12
  4. Step 4: Simplify right side
    5,327.72x = 35,937,254.26
  5. Step 5: Solve for x
    x = 35,937,254.26/5,327.72
  6. Step 6: Final answer
    x = 6,745.33

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1.5x scale

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.