Home / 3,125.52-4,313.72-1,798.94

Finding the Fourth Proportional to 3,125.52, 4,313.72 and 1,798.94

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Solution

The fourth proportional to 3,125.52, 4,313.72 and 1,798.94 is: 2,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.52 : 4,313.72 = 1,798.94 : x
  2. Step 2: Convert to fraction form
    3,125.52/4,313.72 = 1,798.94/x
  3. Step 3: Cross multiply
    3,125.52x = 4,313.72 × 1,798.94
  4. Step 4: Simplify right side
    3,125.52x = 7,760,138.74
  5. Step 5: Solve for x
    x = 7,760,138.74/3,125.52
  6. Step 6: Final answer
    x = 2,482.83

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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.