Home / 3,048.75-4,207.38-1,869.59

Finding the Fourth Proportional to 3,048.75, 4,207.38 and 1,869.59

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Solution

The fourth proportional to 3,048.75, 4,207.38 and 1,869.59 is: 2,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.75 : 4,207.38 = 1,869.59 : x
  2. Step 2: Convert to fraction form
    3,048.75/4,207.38 = 1,869.59/x
  3. Step 3: Cross multiply
    3,048.75x = 4,207.38 × 1,869.59
  4. Step 4: Simplify right side
    3,048.75x = 7,866,079.08
  5. Step 5: Solve for x
    x = 7,866,079.08/3,048.75
  6. Step 6: Final answer
    x = 2,580.10

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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.