Home / 3,907.20-5,858.40-1,567.56

Finding the Fourth Proportional to 3,907.20, 5,858.40 and 1,567.56

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Solution

The fourth proportional to 3,907.20, 5,858.40 and 1,567.56 is: 2,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.20 : 5,858.40 = 1,567.56 : x
  2. Step 2: Convert to fraction form
    3,907.20/5,858.40 = 1,567.56/x
  3. Step 3: Cross multiply
    3,907.20x = 5,858.40 × 1,567.56
  4. Step 4: Simplify right side
    3,907.20x = 9,183,393.50
  5. Step 5: Solve for x
    x = 9,183,393.50/3,907.20
  6. Step 6: Final answer
    x = 2,350.38

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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.