Home / 3,125.17-4,313.20-1,798.61

Finding the Fourth Proportional to 3,125.17, 4,313.20 and 1,798.61

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Solution

The fourth proportional to 3,125.17, 4,313.20 and 1,798.61 is: 2,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.17 : 4,313.20 = 1,798.61 : x
  2. Step 2: Convert to fraction form
    3,125.17/4,313.20 = 1,798.61/x
  3. Step 3: Cross multiply
    3,125.17x = 4,313.20 × 1,798.61
  4. Step 4: Simplify right side
    3,125.17x = 7,757,770.94
  5. Step 5: Solve for x
    x = 7,757,770.94/3,125.17
  6. Step 6: Final answer
    x = 2,482.35

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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.