Home / 3,697.15-5,102.00-2,103.77

Finding the Fourth Proportional to 3,697.15, 5,102.00 and 2,103.77

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Solution

The fourth proportional to 3,697.15, 5,102.00 and 2,103.77 is: 2,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.15 : 5,102.00 = 2,103.77 : x
  2. Step 2: Convert to fraction form
    3,697.15/5,102.00 = 2,103.77/x
  3. Step 3: Cross multiply
    3,697.15x = 5,102.00 × 2,103.77
  4. Step 4: Simplify right side
    3,697.15x = 10,733,423.30
  5. Step 5: Solve for x
    x = 10,733,423.30/3,697.15
  6. Step 6: Final answer
    x = 2,903.16

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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.