Home / 4,905.24-6,678.67-4,889.67

Finding the Fourth Proportional to 4,905.24, 6,678.67 and 4,889.67

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Solution

The fourth proportional to 4,905.24, 6,678.67 and 4,889.67 is: 6,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.24 : 6,678.67 = 4,889.67 : x
  2. Step 2: Convert to fraction form
    4,905.24/6,678.67 = 4,889.67/x
  3. Step 3: Cross multiply
    4,905.24x = 6,678.67 × 4,889.67
  4. Step 4: Simplify right side
    4,905.24x = 32,656,443.61
  5. Step 5: Solve for x
    x = 32,656,443.61/4,905.24
  6. Step 6: Final answer
    x = 6,657.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.