Home / 4,168.18-6,255.24-3,075.40

Finding the Fourth Proportional to 4,168.18, 6,255.24 and 3,075.40

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Solution

The fourth proportional to 4,168.18, 6,255.24 and 3,075.40 is: 4,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.18 : 6,255.24 = 3,075.40 : x
  2. Step 2: Convert to fraction form
    4,168.18/6,255.24 = 3,075.40/x
  3. Step 3: Cross multiply
    4,168.18x = 6,255.24 × 3,075.40
  4. Step 4: Simplify right side
    4,168.18x = 19,237,365.10
  5. Step 5: Solve for x
    x = 19,237,365.10/4,168.18
  6. Step 6: Final answer
    x = 4,615.29

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1.5x scale

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.