Home / 4,907.20-7,360.80-2,963.20

Finding the Fourth Proportional to 4,907.20, 7,360.80 and 2,963.20

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Solution

The fourth proportional to 4,907.20, 7,360.80 and 2,963.20 is: 4,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.20 : 7,360.80 = 2,963.20 : x
  2. Step 2: Convert to fraction form
    4,907.20/7,360.80 = 2,963.20/x
  3. Step 3: Cross multiply
    4,907.20x = 7,360.80 × 2,963.20
  4. Step 4: Simplify right side
    4,907.20x = 21,811,522.56
  5. Step 5: Solve for x
    x = 21,811,522.56/4,907.20
  6. Step 6: Final answer
    x = 4,444.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.