Home / 4,106.24-5,667.36-2,988.80

Finding the Fourth Proportional to 4,106.24, 5,667.36 and 2,988.80

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Solution

The fourth proportional to 4,106.24, 5,667.36 and 2,988.80 is: 4,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.24 : 5,667.36 = 2,988.80 : x
  2. Step 2: Convert to fraction form
    4,106.24/5,667.36 = 2,988.80/x
  3. Step 3: Cross multiply
    4,106.24x = 5,667.36 × 2,988.80
  4. Step 4: Simplify right side
    4,106.24x = 16,938,605.57
  5. Step 5: Solve for x
    x = 16,938,605.57/4,106.24
  6. Step 6: Final answer
    x = 4,125.09

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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.