Home / 5,541.22-7,647.51-3,151.72

Finding the Fourth Proportional to 5,541.22, 7,647.51 and 3,151.72

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Solution

The fourth proportional to 5,541.22, 7,647.51 and 3,151.72 is: 4,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.22 : 7,647.51 = 3,151.72 : x
  2. Step 2: Convert to fraction form
    5,541.22/7,647.51 = 3,151.72/x
  3. Step 3: Cross multiply
    5,541.22x = 7,647.51 × 3,151.72
  4. Step 4: Simplify right side
    5,541.22x = 24,102,810.22
  5. Step 5: Solve for x
    x = 24,102,810.22/5,541.22
  6. Step 6: Final answer
    x = 4,349.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.