Home / 5,307.54-7,324.48-3,211.68

Finding the Fourth Proportional to 5,307.54, 7,324.48 and 3,211.68

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Solution

The fourth proportional to 5,307.54, 7,324.48 and 3,211.68 is: 4,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.54 : 7,324.48 = 3,211.68 : x
  2. Step 2: Convert to fraction form
    5,307.54/7,324.48 = 3,211.68/x
  3. Step 3: Cross multiply
    5,307.54x = 7,324.48 × 3,211.68
  4. Step 4: Simplify right side
    5,307.54x = 23,523,885.93
  5. Step 5: Solve for x
    x = 23,523,885.93/5,307.54
  6. Step 6: Final answer
    x = 4,432.16

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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.