Home / 4,106.90-5,666.22-2,428.89

Finding the Fourth Proportional to 4,106.90, 5,666.22 and 2,428.89

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Solution

The fourth proportional to 4,106.90, 5,666.22 and 2,428.89 is: 3,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.90 : 5,666.22 = 2,428.89 : x
  2. Step 2: Convert to fraction form
    4,106.90/5,666.22 = 2,428.89/x
  3. Step 3: Cross multiply
    4,106.90x = 5,666.22 × 2,428.89
  4. Step 4: Simplify right side
    4,106.90x = 13,762,603.85
  5. Step 5: Solve for x
    x = 13,762,603.85/4,106.90
  6. Step 6: Final answer
    x = 3,351.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.