Home / 5,920.14-8,877.89-2,220.36

Finding the Fourth Proportional to 5,920.14, 8,877.89 and 2,220.36

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Solution

The fourth proportional to 5,920.14, 8,877.89 and 2,220.36 is: 3,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.14 : 8,877.89 = 2,220.36 : x
  2. Step 2: Convert to fraction form
    5,920.14/8,877.89 = 2,220.36/x
  3. Step 3: Cross multiply
    5,920.14x = 8,877.89 × 2,220.36
  4. Step 4: Simplify right side
    5,920.14x = 19,712,056.35
  5. Step 5: Solve for x
    x = 19,712,056.35/5,920.14
  6. Step 6: Final answer
    x = 3,329.66

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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.