Home / 3,520.15-4,857.74-1,926.76

Finding the Fourth Proportional to 3,520.15, 4,857.74 and 1,926.76

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Solution

The fourth proportional to 3,520.15, 4,857.74 and 1,926.76 is: 2,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.15 : 4,857.74 = 1,926.76 : x
  2. Step 2: Convert to fraction form
    3,520.15/4,857.74 = 1,926.76/x
  3. Step 3: Cross multiply
    3,520.15x = 4,857.74 × 1,926.76
  4. Step 4: Simplify right side
    3,520.15x = 9,359,707.34
  5. Step 5: Solve for x
    x = 9,359,707.34/3,520.15
  6. Step 6: Final answer
    x = 2,658.89

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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.