Home / 4,851.90-7,271.76-2,075.31

Finding the Fourth Proportional to 4,851.90, 7,271.76 and 2,075.31

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Solution

The fourth proportional to 4,851.90, 7,271.76 and 2,075.31 is: 3,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.90 : 7,271.76 = 2,075.31 : x
  2. Step 2: Convert to fraction form
    4,851.90/7,271.76 = 2,075.31/x
  3. Step 3: Cross multiply
    4,851.90x = 7,271.76 × 2,075.31
  4. Step 4: Simplify right side
    4,851.90x = 15,091,145.87
  5. Step 5: Solve for x
    x = 15,091,145.87/4,851.90
  6. Step 6: Final answer
    x = 3,110.36

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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.