Home / 4,970.63-6,859.23-2,874.80

Finding the Fourth Proportional to 4,970.63, 6,859.23 and 2,874.80

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Solution

The fourth proportional to 4,970.63, 6,859.23 and 2,874.80 is: 3,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.63 : 6,859.23 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    4,970.63/6,859.23 = 2,874.80/x
  3. Step 3: Cross multiply
    4,970.63x = 6,859.23 × 2,874.80
  4. Step 4: Simplify right side
    4,970.63x = 19,718,914.40
  5. Step 5: Solve for x
    x = 19,718,914.40/4,970.63
  6. Step 6: Final answer
    x = 3,967.09

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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.