Home / 3,391.21-4,681.83-2,588.23

Finding the Fourth Proportional to 3,391.21, 4,681.83 and 2,588.23

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Solution

The fourth proportional to 3,391.21, 4,681.83 and 2,588.23 is: 3,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.21 : 4,681.83 = 2,588.23 : x
  2. Step 2: Convert to fraction form
    3,391.21/4,681.83 = 2,588.23/x
  3. Step 3: Cross multiply
    3,391.21x = 4,681.83 × 2,588.23
  4. Step 4: Simplify right side
    3,391.21x = 12,117,652.86
  5. Step 5: Solve for x
    x = 12,117,652.86/3,391.21
  6. Step 6: Final answer
    x = 3,573.25

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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.