Home / 7,319.75-10,102.05-4,803.89

Finding the Fourth Proportional to 7,319.75, 10,102.05 and 4,803.89

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Solution

The fourth proportional to 7,319.75, 10,102.05 and 4,803.89 is: 6,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.75 : 10,102.05 = 4,803.89 : x
  2. Step 2: Convert to fraction form
    7,319.75/10,102.05 = 4,803.89/x
  3. Step 3: Cross multiply
    7,319.75x = 10,102.05 × 4,803.89
  4. Step 4: Simplify right side
    7,319.75x = 48,529,136.97
  5. Step 5: Solve for x
    x = 48,529,136.97/7,319.75
  6. Step 6: Final answer
    x = 6,629.89

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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.