Home / 3,515.76-4,854.60-2,399.04

Finding the Fourth Proportional to 3,515.76, 4,854.60 and 2,399.04

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Solution

The fourth proportional to 3,515.76, 4,854.60 and 2,399.04 is: 3,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.76 : 4,854.60 = 2,399.04 : x
  2. Step 2: Convert to fraction form
    3,515.76/4,854.60 = 2,399.04/x
  3. Step 3: Cross multiply
    3,515.76x = 4,854.60 × 2,399.04
  4. Step 4: Simplify right side
    3,515.76x = 11,646,379.58
  5. Step 5: Solve for x
    x = 11,646,379.58/3,515.76
  6. Step 6: Final answer
    x = 3,312.62

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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.