Home / 7,405.58-10,219.67-4,048.39

Finding the Fourth Proportional to 7,405.58, 10,219.67 and 4,048.39

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Solution

The fourth proportional to 7,405.58, 10,219.67 and 4,048.39 is: 5,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.58 : 10,219.67 = 4,048.39 : x
  2. Step 2: Convert to fraction form
    7,405.58/10,219.67 = 4,048.39/x
  3. Step 3: Cross multiply
    7,405.58x = 10,219.67 × 4,048.39
  4. Step 4: Simplify right side
    7,405.58x = 41,373,138.49
  5. Step 5: Solve for x
    x = 41,373,138.49/7,405.58
  6. Step 6: Final answer
    x = 5,586.76

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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.