Home / 4,540.10-6,812.55-2,075.30

Finding the Fourth Proportional to 4,540.10, 6,812.55 and 2,075.30

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Solution

The fourth proportional to 4,540.10, 6,812.55 and 2,075.30 is: 3,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.10 : 6,812.55 = 2,075.30 : x
  2. Step 2: Convert to fraction form
    4,540.10/6,812.55 = 2,075.30/x
  3. Step 3: Cross multiply
    4,540.10x = 6,812.55 × 2,075.30
  4. Step 4: Simplify right side
    4,540.10x = 14,138,085.02
  5. Step 5: Solve for x
    x = 14,138,085.02/4,540.10
  6. Step 6: Final answer
    x = 3,114.05

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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.