Home / 7,261.98-10,019.28-4,905.48

Finding the Fourth Proportional to 7,261.98, 10,019.28 and 4,905.48

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Solution

The fourth proportional to 7,261.98, 10,019.28 and 4,905.48 is: 6,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.98 : 10,019.28 = 4,905.48 : x
  2. Step 2: Convert to fraction form
    7,261.98/10,019.28 = 4,905.48/x
  3. Step 3: Cross multiply
    7,261.98x = 10,019.28 × 4,905.48
  4. Step 4: Simplify right side
    7,261.98x = 49,149,377.65
  5. Step 5: Solve for x
    x = 49,149,377.65/7,261.98
  6. Step 6: Final answer
    x = 6,768.04

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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.