Home / 4,988.49-7,484.09-4,072.65

Finding the Fourth Proportional to 4,988.49, 7,484.09 and 4,072.65

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Solution

The fourth proportional to 4,988.49, 7,484.09 and 4,072.65 is: 6,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.49 : 7,484.09 = 4,072.65 : x
  2. Step 2: Convert to fraction form
    4,988.49/7,484.09 = 4,072.65/x
  3. Step 3: Cross multiply
    4,988.49x = 7,484.09 × 4,072.65
  4. Step 4: Simplify right side
    4,988.49x = 30,480,058.78
  5. Step 5: Solve for x
    x = 30,480,058.78/4,988.49
  6. Step 6: Final answer
    x = 6,110.08

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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.