Home / 4,900.42-7,348.40-2,926.92

Finding the Fourth Proportional to 4,900.42, 7,348.40 and 2,926.92

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Solution

The fourth proportional to 4,900.42, 7,348.40 and 2,926.92 is: 4,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.42 : 7,348.40 = 2,926.92 : x
  2. Step 2: Convert to fraction form
    4,900.42/7,348.40 = 2,926.92/x
  3. Step 3: Cross multiply
    4,900.42x = 7,348.40 × 2,926.92
  4. Step 4: Simplify right side
    4,900.42x = 21,508,178.93
  5. Step 5: Solve for x
    x = 21,508,178.93/4,900.42
  6. Step 6: Final answer
    x = 4,389.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.