Home / 4,872.84-7,311.38-1,586.96

Finding the Fourth Proportional to 4,872.84, 7,311.38 and 1,586.96

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Solution

The fourth proportional to 4,872.84, 7,311.38 and 1,586.96 is: 2,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.84 : 7,311.38 = 1,586.96 : x
  2. Step 2: Convert to fraction form
    4,872.84/7,311.38 = 1,586.96/x
  3. Step 3: Cross multiply
    4,872.84x = 7,311.38 × 1,586.96
  4. Step 4: Simplify right side
    4,872.84x = 11,602,867.60
  5. Step 5: Solve for x
    x = 11,602,867.60/4,872.84
  6. Step 6: Final answer
    x = 2,381.13

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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.