Home / 5,467.37-7,545-3,109.55

Finding the Fourth Proportional to 5,467.37, 7,545 and 3,109.55

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Solution

The fourth proportional to 5,467.37, 7,545 and 3,109.55 is: 4,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.37 : 7,545 = 3,109.55 : x
  2. Step 2: Convert to fraction form
    5,467.37/7,545 = 3,109.55/x
  3. Step 3: Cross multiply
    5,467.37x = 7,545 × 3,109.55
  4. Step 4: Simplify right side
    5,467.37x = 23,461,554.75
  5. Step 5: Solve for x
    x = 23,461,554.75/5,467.37
  6. Step 6: Final answer
    x = 4,291.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.