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Finding the Fourth Proportional to 3,502.95, 4,833.78 and 1,931.05

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Solution

The fourth proportional to 3,502.95, 4,833.78 and 1,931.05 is: 2,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.95 : 4,833.78 = 1,931.05 : x
  2. Step 2: Convert to fraction form
    3,502.95/4,833.78 = 1,931.05/x
  3. Step 3: Cross multiply
    3,502.95x = 4,833.78 × 1,931.05
  4. Step 4: Simplify right side
    3,502.95x = 9,334,270.87
  5. Step 5: Solve for x
    x = 9,334,270.87/3,502.95
  6. Step 6: Final answer
    x = 2,664.69

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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.