Home / 3,502.85-4,834.25-1,931.25

Finding the Fourth Proportional to 3,502.85, 4,834.25 and 1,931.25

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Solution

The fourth proportional to 3,502.85, 4,834.25 and 1,931.25 is: 2,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.85 : 4,834.25 = 1,931.25 : x
  2. Step 2: Convert to fraction form
    3,502.85/4,834.25 = 1,931.25/x
  3. Step 3: Cross multiply
    3,502.85x = 4,834.25 × 1,931.25
  4. Step 4: Simplify right side
    3,502.85x = 9,336,135.66
  5. Step 5: Solve for x
    x = 9,336,135.66/3,502.85
  6. Step 6: Final answer
    x = 2,665.30

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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.