Home / 4,889.24-7,333.80-1,191.45

Finding the Fourth Proportional to 4,889.24, 7,333.80 and 1,191.45

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Solution

The fourth proportional to 4,889.24, 7,333.80 and 1,191.45 is: 1,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.24 : 7,333.80 = 1,191.45 : x
  2. Step 2: Convert to fraction form
    4,889.24/7,333.80 = 1,191.45/x
  3. Step 3: Cross multiply
    4,889.24x = 7,333.80 × 1,191.45
  4. Step 4: Simplify right side
    4,889.24x = 8,737,856.01
  5. Step 5: Solve for x
    x = 8,737,856.01/4,889.24
  6. Step 6: Final answer
    x = 1,787.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.