Home / 7,563.90-10,438.22-4,207.02

Finding the Fourth Proportional to 7,563.90, 10,438.22 and 4,207.02

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Solution

The fourth proportional to 7,563.90, 10,438.22 and 4,207.02 is: 5,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.90 : 10,438.22 = 4,207.02 : x
  2. Step 2: Convert to fraction form
    7,563.90/10,438.22 = 4,207.02/x
  3. Step 3: Cross multiply
    7,563.90x = 10,438.22 × 4,207.02
  4. Step 4: Simplify right side
    7,563.90x = 43,913,800.30
  5. Step 5: Solve for x
    x = 43,913,800.30/7,563.90
  6. Step 6: Final answer
    x = 5,805.71

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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.