Home / 7,900.34-10,902.56-4,363.54

Finding the Fourth Proportional to 7,900.34, 10,902.56 and 4,363.54

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Solution

The fourth proportional to 7,900.34, 10,902.56 and 4,363.54 is: 6,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.34 : 10,902.56 = 4,363.54 : x
  2. Step 2: Convert to fraction form
    7,900.34/10,902.56 = 4,363.54/x
  3. Step 3: Cross multiply
    7,900.34x = 10,902.56 × 4,363.54
  4. Step 4: Simplify right side
    7,900.34x = 47,573,707.59
  5. Step 5: Solve for x
    x = 47,573,707.59/7,900.34
  6. Step 6: Final answer
    x = 6,021.73

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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.