Home / 6,876.09-10,307.89-2,490.45

Finding the Fourth Proportional to 6,876.09, 10,307.89 and 2,490.45

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Solution

The fourth proportional to 6,876.09, 10,307.89 and 2,490.45 is: 3,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.09 : 10,307.89 = 2,490.45 : x
  2. Step 2: Convert to fraction form
    6,876.09/10,307.89 = 2,490.45/x
  3. Step 3: Cross multiply
    6,876.09x = 10,307.89 × 2,490.45
  4. Step 4: Simplify right side
    6,876.09x = 25,671,284.65
  5. Step 5: Solve for x
    x = 25,671,284.65/6,876.09
  6. Step 6: Final answer
    x = 3,733.41

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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.