Home / 3,075.06-4,243.56-1,748.77

Finding the Fourth Proportional to 3,075.06, 4,243.56 and 1,748.77

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Solution

The fourth proportional to 3,075.06, 4,243.56 and 1,748.77 is: 2,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.06 : 4,243.56 = 1,748.77 : x
  2. Step 2: Convert to fraction form
    3,075.06/4,243.56 = 1,748.77/x
  3. Step 3: Cross multiply
    3,075.06x = 4,243.56 × 1,748.77
  4. Step 4: Simplify right side
    3,075.06x = 7,421,006.37
  5. Step 5: Solve for x
    x = 7,421,006.37/3,075.06
  6. Step 6: Final answer
    x = 2,413.29

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Double scale
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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.