Home / 7,750.57-11,625.74-1,907.23

Finding the Fourth Proportional to 7,750.57, 11,625.74 and 1,907.23

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Solution

The fourth proportional to 7,750.57, 11,625.74 and 1,907.23 is: 2,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.57 : 11,625.74 = 1,907.23 : x
  2. Step 2: Convert to fraction form
    7,750.57/11,625.74 = 1,907.23/x
  3. Step 3: Cross multiply
    7,750.57x = 11,625.74 × 1,907.23
  4. Step 4: Simplify right side
    7,750.57x = 22,172,960.10
  5. Step 5: Solve for x
    x = 22,172,960.10/7,750.57
  6. Step 6: Final answer
    x = 2,860.82

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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.