Home / 4,918.85-7,378.27-1,632.19

Finding the Fourth Proportional to 4,918.85, 7,378.27 and 1,632.19

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Solution

The fourth proportional to 4,918.85, 7,378.27 and 1,632.19 is: 2,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.85 : 7,378.27 = 1,632.19 : x
  2. Step 2: Convert to fraction form
    4,918.85/7,378.27 = 1,632.19/x
  3. Step 3: Cross multiply
    4,918.85x = 7,378.27 × 1,632.19
  4. Step 4: Simplify right side
    4,918.85x = 12,042,738.51
  5. Step 5: Solve for x
    x = 12,042,738.51/4,918.85
  6. Step 6: Final answer
    x = 2,448.28

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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.