Home / 5,580.21-7,701.03-3,222.51

Finding the Fourth Proportional to 5,580.21, 7,701.03 and 3,222.51

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Solution

The fourth proportional to 5,580.21, 7,701.03 and 3,222.51 is: 4,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.21 : 7,701.03 = 3,222.51 : x
  2. Step 2: Convert to fraction form
    5,580.21/7,701.03 = 3,222.51/x
  3. Step 3: Cross multiply
    5,580.21x = 7,701.03 × 3,222.51
  4. Step 4: Simplify right side
    5,580.21x = 24,816,646.19
  5. Step 5: Solve for x
    x = 24,816,646.19/5,580.21
  6. Step 6: Final answer
    x = 4,447.26

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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.