Home / 7,884.02-10,879.81-4,299.03

Finding the Fourth Proportional to 7,884.02, 10,879.81 and 4,299.03

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Solution

The fourth proportional to 7,884.02, 10,879.81 and 4,299.03 is: 5,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.02 : 10,879.81 = 4,299.03 : x
  2. Step 2: Convert to fraction form
    7,884.02/10,879.81 = 4,299.03/x
  3. Step 3: Cross multiply
    7,884.02x = 10,879.81 × 4,299.03
  4. Step 4: Simplify right side
    7,884.02x = 46,772,618.84
  5. Step 5: Solve for x
    x = 46,772,618.84/7,884.02
  6. Step 6: Final answer
    x = 5,932.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.