Home / 5,635.19-7,776.84-3,245.52

Finding the Fourth Proportional to 5,635.19, 7,776.84 and 3,245.52

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Solution

The fourth proportional to 5,635.19, 7,776.84 and 3,245.52 is: 4,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.19 : 7,776.84 = 3,245.52 : x
  2. Step 2: Convert to fraction form
    5,635.19/7,776.84 = 3,245.52/x
  3. Step 3: Cross multiply
    5,635.19x = 7,776.84 × 3,245.52
  4. Step 4: Simplify right side
    5,635.19x = 25,239,889.76
  5. Step 5: Solve for x
    x = 25,239,889.76/5,635.19
  6. Step 6: Final answer
    x = 4,478.98

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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.