Home / 7,245.74-10,000.59-4,102.94

Finding the Fourth Proportional to 7,245.74, 10,000.59 and 4,102.94

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Solution

The fourth proportional to 7,245.74, 10,000.59 and 4,102.94 is: 5,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.74 : 10,000.59 = 4,102.94 : x
  2. Step 2: Convert to fraction form
    7,245.74/10,000.59 = 4,102.94/x
  3. Step 3: Cross multiply
    7,245.74x = 10,000.59 × 4,102.94
  4. Step 4: Simplify right side
    7,245.74x = 41,031,820.73
  5. Step 5: Solve for x
    x = 41,031,820.73/7,245.74
  6. Step 6: Final answer
    x = 5,662.89

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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.