Home / 7,555.52-10,426.47-4,198.30

Finding the Fourth Proportional to 7,555.52, 10,426.47 and 4,198.30

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Solution

The fourth proportional to 7,555.52, 10,426.47 and 4,198.30 is: 5,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.52 : 10,426.47 = 4,198.30 : x
  2. Step 2: Convert to fraction form
    7,555.52/10,426.47 = 4,198.30/x
  3. Step 3: Cross multiply
    7,555.52x = 10,426.47 × 4,198.30
  4. Step 4: Simplify right side
    7,555.52x = 43,773,449.00
  5. Step 5: Solve for x
    x = 43,773,449.00/7,555.52
  6. Step 6: Final answer
    x = 5,793.57

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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.