Home / 7,320.32-10,980.60-4,032.80

Finding the Fourth Proportional to 7,320.32, 10,980.60 and 4,032.80

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Solution

The fourth proportional to 7,320.32, 10,980.60 and 4,032.80 is: 6,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.32 : 10,980.60 = 4,032.80 : x
  2. Step 2: Convert to fraction form
    7,320.32/10,980.60 = 4,032.80/x
  3. Step 3: Cross multiply
    7,320.32x = 10,980.60 × 4,032.80
  4. Step 4: Simplify right side
    7,320.32x = 44,282,563.68
  5. Step 5: Solve for x
    x = 44,282,563.68/7,320.32
  6. Step 6: Final answer
    x = 6,049.27

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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.