Home / 4,907.04-6,772.70-2,812.56

Finding the Fourth Proportional to 4,907.04, 6,772.70 and 2,812.56

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Solution

The fourth proportional to 4,907.04, 6,772.70 and 2,812.56 is: 3,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.04 : 6,772.70 = 2,812.56 : x
  2. Step 2: Convert to fraction form
    4,907.04/6,772.70 = 2,812.56/x
  3. Step 3: Cross multiply
    4,907.04x = 6,772.70 × 2,812.56
  4. Step 4: Simplify right side
    4,907.04x = 19,048,625.11
  5. Step 5: Solve for x
    x = 19,048,625.11/4,907.04
  6. Step 6: Final answer
    x = 3,881.90

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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.