Home / 7,555.65-10,426.20-4,198.41

Finding the Fourth Proportional to 7,555.65, 10,426.20 and 4,198.41

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Solution

The fourth proportional to 7,555.65, 10,426.20 and 4,198.41 is: 5,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.65 : 10,426.20 = 4,198.41 : x
  2. Step 2: Convert to fraction form
    7,555.65/10,426.20 = 4,198.41/x
  3. Step 3: Cross multiply
    7,555.65x = 10,426.20 × 4,198.41
  4. Step 4: Simplify right side
    7,555.65x = 43,773,462.34
  5. Step 5: Solve for x
    x = 43,773,462.34/7,555.65
  6. Step 6: Final answer
    x = 5,793.47

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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.