Home / 2,421.61-3,632.42-882.25

Finding the Fourth Proportional to 2,421.61, 3,632.42 and 882.25

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Solution

The fourth proportional to 2,421.61, 3,632.42 and 882.25 is: 1,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.61 : 3,632.42 = 882.25 : x
  2. Step 2: Convert to fraction form
    2,421.61/3,632.42 = 882.25/x
  3. Step 3: Cross multiply
    2,421.61x = 3,632.42 × 882.25
  4. Step 4: Simplify right side
    2,421.61x = 3,204,698.13
  5. Step 5: Solve for x
    x = 3,204,698.13/2,421.61
  6. Step 6: Final answer
    x = 1,323.38

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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.