Home / 6,629.20-9,140.20-4,860.08

Finding the Fourth Proportional to 6,629.20, 9,140.20 and 4,860.08

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Solution

The fourth proportional to 6,629.20, 9,140.20 and 4,860.08 is: 6,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.20 : 9,140.20 = 4,860.08 : x
  2. Step 2: Convert to fraction form
    6,629.20/9,140.20 = 4,860.08/x
  3. Step 3: Cross multiply
    6,629.20x = 9,140.20 × 4,860.08
  4. Step 4: Simplify right side
    6,629.20x = 44,422,103.22
  5. Step 5: Solve for x
    x = 44,422,103.22/6,629.20
  6. Step 6: Final answer
    x = 6,700.97

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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.