Home / 5,877.70-8,810.93-2,178.94

Finding the Fourth Proportional to 5,877.70, 8,810.93 and 2,178.94

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Solution

The fourth proportional to 5,877.70, 8,810.93 and 2,178.94 is: 3,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.70 : 8,810.93 = 2,178.94 : x
  2. Step 2: Convert to fraction form
    5,877.70/8,810.93 = 2,178.94/x
  3. Step 3: Cross multiply
    5,877.70x = 8,810.93 × 2,178.94
  4. Step 4: Simplify right side
    5,877.70x = 19,198,487.81
  5. Step 5: Solve for x
    x = 19,198,487.81/5,877.70
  6. Step 6: Final answer
    x = 3,266.33

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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.