Home / 4,920.36-7,378.74-1,632.84

Finding the Fourth Proportional to 4,920.36, 7,378.74 and 1,632.84

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Solution

The fourth proportional to 4,920.36, 7,378.74 and 1,632.84 is: 2,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.36 : 7,378.74 = 1,632.84 : x
  2. Step 2: Convert to fraction form
    4,920.36/7,378.74 = 1,632.84/x
  3. Step 3: Cross multiply
    4,920.36x = 7,378.74 × 1,632.84
  4. Step 4: Simplify right side
    4,920.36x = 12,048,301.82
  5. Step 5: Solve for x
    x = 12,048,301.82/4,920.36
  6. Step 6: Final answer
    x = 2,448.66

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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.