Home / 4,915.12-7,365.48-2,835.76

Finding the Fourth Proportional to 4,915.12, 7,365.48 and 2,835.76

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Solution

The fourth proportional to 4,915.12, 7,365.48 and 2,835.76 is: 4,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.12 : 7,365.48 = 2,835.76 : x
  2. Step 2: Convert to fraction form
    4,915.12/7,365.48 = 2,835.76/x
  3. Step 3: Cross multiply
    4,915.12x = 7,365.48 × 2,835.76
  4. Step 4: Simplify right side
    4,915.12x = 20,886,733.56
  5. Step 5: Solve for x
    x = 20,886,733.56/4,915.12
  6. Step 6: Final answer
    x = 4,249.49

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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.