Home / 3,125.08-4,689.89-2,305.55

Finding the Fourth Proportional to 3,125.08, 4,689.89 and 2,305.55

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Solution

The fourth proportional to 3,125.08, 4,689.89 and 2,305.55 is: 3,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.08 : 4,689.89 = 2,305.55 : x
  2. Step 2: Convert to fraction form
    3,125.08/4,689.89 = 2,305.55/x
  3. Step 3: Cross multiply
    3,125.08x = 4,689.89 × 2,305.55
  4. Step 4: Simplify right side
    3,125.08x = 10,812,764.36
  5. Step 5: Solve for x
    x = 10,812,764.36/3,125.08
  6. Step 6: Final answer
    x = 3,460.00

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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.