Home / 5,235.74-7,225.30-2,845.70

Finding the Fourth Proportional to 5,235.74, 7,225.30 and 2,845.70

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Solution

The fourth proportional to 5,235.74, 7,225.30 and 2,845.70 is: 3,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.74 : 7,225.30 = 2,845.70 : x
  2. Step 2: Convert to fraction form
    5,235.74/7,225.30 = 2,845.70/x
  3. Step 3: Cross multiply
    5,235.74x = 7,225.30 × 2,845.70
  4. Step 4: Simplify right side
    5,235.74x = 20,561,036.21
  5. Step 5: Solve for x
    x = 20,561,036.21/5,235.74
  6. Step 6: Final answer
    x = 3,927.05

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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.