Home / 3,903.45-5,853.99-2,053.55

Finding the Fourth Proportional to 3,903.45, 5,853.99 and 2,053.55

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Solution

The fourth proportional to 3,903.45, 5,853.99 and 2,053.55 is: 3,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.45 : 5,853.99 = 2,053.55 : x
  2. Step 2: Convert to fraction form
    3,903.45/5,853.99 = 2,053.55/x
  3. Step 3: Cross multiply
    3,903.45x = 5,853.99 × 2,053.55
  4. Step 4: Simplify right side
    3,903.45x = 12,021,461.16
  5. Step 5: Solve for x
    x = 12,021,461.16/3,903.45
  6. Step 6: Final answer
    x = 3,079.70

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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.