Home / 4,259.63-5,877.39-2,490.89

Finding the Fourth Proportional to 4,259.63, 5,877.39 and 2,490.89

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Solution

The fourth proportional to 4,259.63, 5,877.39 and 2,490.89 is: 3,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.63 : 5,877.39 = 2,490.89 : x
  2. Step 2: Convert to fraction form
    4,259.63/5,877.39 = 2,490.89/x
  3. Step 3: Cross multiply
    4,259.63x = 5,877.39 × 2,490.89
  4. Step 4: Simplify right side
    4,259.63x = 14,639,919.52
  5. Step 5: Solve for x
    x = 14,639,919.52/4,259.63
  6. Step 6: Final answer
    x = 3,436.90

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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.