Home / 4,920.04-7,380.60-1,632.88

Finding the Fourth Proportional to 4,920.04, 7,380.60 and 1,632.88

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Solution

The fourth proportional to 4,920.04, 7,380.60 and 1,632.88 is: 2,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.04 : 7,380.60 = 1,632.88 : x
  2. Step 2: Convert to fraction form
    4,920.04/7,380.60 = 1,632.88/x
  3. Step 3: Cross multiply
    4,920.04x = 7,380.60 × 1,632.88
  4. Step 4: Simplify right side
    4,920.04x = 12,051,634.13
  5. Step 5: Solve for x
    x = 12,051,634.13/4,920.04
  6. Step 6: Final answer
    x = 2,449.50

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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.