Home / 4,075.42-6,108.10-2,321.90

Finding the Fourth Proportional to 4,075.42, 6,108.10 and 2,321.90

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Solution

The fourth proportional to 4,075.42, 6,108.10 and 2,321.90 is: 3,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.42 : 6,108.10 = 2,321.90 : x
  2. Step 2: Convert to fraction form
    4,075.42/6,108.10 = 2,321.90/x
  3. Step 3: Cross multiply
    4,075.42x = 6,108.10 × 2,321.90
  4. Step 4: Simplify right side
    4,075.42x = 14,182,397.39
  5. Step 5: Solve for x
    x = 14,182,397.39/4,075.42
  6. Step 6: Final answer
    x = 3,479.98

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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.