Home / 7,200.88-9,937.72-4,057.06

Finding the Fourth Proportional to 7,200.88, 9,937.72 and 4,057.06

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Solution

The fourth proportional to 7,200.88, 9,937.72 and 4,057.06 is: 5,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.88 : 9,937.72 = 4,057.06 : x
  2. Step 2: Convert to fraction form
    7,200.88/9,937.72 = 4,057.06/x
  3. Step 3: Cross multiply
    7,200.88x = 9,937.72 × 4,057.06
  4. Step 4: Simplify right side
    7,200.88x = 40,317,926.30
  5. Step 5: Solve for x
    x = 40,317,926.30/7,200.88
  6. Step 6: Final answer
    x = 5,599.03

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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.