Home / 4,740.39-7,110.26-1,453.20

Finding the Fourth Proportional to 4,740.39, 7,110.26 and 1,453.20

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Solution

The fourth proportional to 4,740.39, 7,110.26 and 1,453.20 is: 2,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.39 : 7,110.26 = 1,453.20 : x
  2. Step 2: Convert to fraction form
    4,740.39/7,110.26 = 1,453.20/x
  3. Step 3: Cross multiply
    4,740.39x = 7,110.26 × 1,453.20
  4. Step 4: Simplify right side
    4,740.39x = 10,332,629.83
  5. Step 5: Solve for x
    x = 10,332,629.83/4,740.39
  6. Step 6: Final answer
    x = 2,179.70

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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.