Home / 4,050.15-6,075.60-1,128.48

Finding the Fourth Proportional to 4,050.15, 6,075.60 and 1,128.48

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Solution

The fourth proportional to 4,050.15, 6,075.60 and 1,128.48 is: 1,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.15 : 6,075.60 = 1,128.48 : x
  2. Step 2: Convert to fraction form
    4,050.15/6,075.60 = 1,128.48/x
  3. Step 3: Cross multiply
    4,050.15x = 6,075.60 × 1,128.48
  4. Step 4: Simplify right side
    4,050.15x = 6,856,193.09
  5. Step 5: Solve for x
    x = 6,856,193.09/4,050.15
  6. Step 6: Final answer
    x = 1,692.82

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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.