Home / 4,715.28-6,499.62-3,768.08

Finding the Fourth Proportional to 4,715.28, 6,499.62 and 3,768.08

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Solution

The fourth proportional to 4,715.28, 6,499.62 and 3,768.08 is: 5,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.28 : 6,499.62 = 3,768.08 : x
  2. Step 2: Convert to fraction form
    4,715.28/6,499.62 = 3,768.08/x
  3. Step 3: Cross multiply
    4,715.28x = 6,499.62 × 3,768.08
  4. Step 4: Simplify right side
    4,715.28x = 24,491,055.63
  5. Step 5: Solve for x
    x = 24,491,055.63/4,715.28
  6. Step 6: Final answer
    x = 5,193.98

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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.