Home / 5,235.91-7,223.74-3,245.74

Finding the Fourth Proportional to 5,235.91, 7,223.74 and 3,245.74

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Solution

The fourth proportional to 5,235.91, 7,223.74 and 3,245.74 is: 4,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.91 : 7,223.74 = 3,245.74 : x
  2. Step 2: Convert to fraction form
    5,235.91/7,223.74 = 3,245.74/x
  3. Step 3: Cross multiply
    5,235.91x = 7,223.74 × 3,245.74
  4. Step 4: Simplify right side
    5,235.91x = 23,446,381.87
  5. Step 5: Solve for x
    x = 23,446,381.87/5,235.91
  6. Step 6: Final answer
    x = 4,478.00

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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.