Home / 3,623.85-5,000.58-2,111.16

Finding the Fourth Proportional to 3,623.85, 5,000.58 and 2,111.16

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Solution

The fourth proportional to 3,623.85, 5,000.58 and 2,111.16 is: 2,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.85 : 5,000.58 = 2,111.16 : x
  2. Step 2: Convert to fraction form
    3,623.85/5,000.58 = 2,111.16/x
  3. Step 3: Cross multiply
    3,623.85x = 5,000.58 × 2,111.16
  4. Step 4: Simplify right side
    3,623.85x = 10,557,024.47
  5. Step 5: Solve for x
    x = 10,557,024.47/3,623.85
  6. Step 6: Final answer
    x = 2,913.21

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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.