Home / 2,050.12-3,075.63-751.60

Finding the Fourth Proportional to 2,050.12, 3,075.63 and 751.60

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Solution

The fourth proportional to 2,050.12, 3,075.63 and 751.60 is: 1,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.12 : 3,075.63 = 751.60 : x
  2. Step 2: Convert to fraction form
    2,050.12/3,075.63 = 751.60/x
  3. Step 3: Cross multiply
    2,050.12x = 3,075.63 × 751.60
  4. Step 4: Simplify right side
    2,050.12x = 2,311,643.51
  5. Step 5: Solve for x
    x = 2,311,643.51/2,050.12
  6. Step 6: Final answer
    x = 1,127.56

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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.