Home / 5,525.63-8,289.69-1,828.25

Finding the Fourth Proportional to 5,525.63, 8,289.69 and 1,828.25

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Solution

The fourth proportional to 5,525.63, 8,289.69 and 1,828.25 is: 2,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.63 : 8,289.69 = 1,828.25 : x
  2. Step 2: Convert to fraction form
    5,525.63/8,289.69 = 1,828.25/x
  3. Step 3: Cross multiply
    5,525.63x = 8,289.69 × 1,828.25
  4. Step 4: Simplify right side
    5,525.63x = 15,155,625.74
  5. Step 5: Solve for x
    x = 15,155,625.74/5,525.63
  6. Step 6: Final answer
    x = 2,742.79

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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.