Home / 4,819.12-7,187.96-4,673.28

Finding the Fourth Proportional to 4,819.12, 7,187.96 and 4,673.28

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Solution

The fourth proportional to 4,819.12, 7,187.96 and 4,673.28 is: 6,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.12 : 7,187.96 = 4,673.28 : x
  2. Step 2: Convert to fraction form
    4,819.12/7,187.96 = 4,673.28/x
  3. Step 3: Cross multiply
    4,819.12x = 7,187.96 × 4,673.28
  4. Step 4: Simplify right side
    4,819.12x = 33,591,349.71
  5. Step 5: Solve for x
    x = 33,591,349.71/4,819.12
  6. Step 6: Final answer
    x = 6,970.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.