Home / 3,050.56-4,209.78-1,653.30

Finding the Fourth Proportional to 3,050.56, 4,209.78 and 1,653.30

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Solution

The fourth proportional to 3,050.56, 4,209.78 and 1,653.30 is: 2,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.56 : 4,209.78 = 1,653.30 : x
  2. Step 2: Convert to fraction form
    3,050.56/4,209.78 = 1,653.30/x
  3. Step 3: Cross multiply
    3,050.56x = 4,209.78 × 1,653.30
  4. Step 4: Simplify right side
    3,050.56x = 6,960,029.27
  5. Step 5: Solve for x
    x = 6,960,029.27/3,050.56
  6. Step 6: Final answer
    x = 2,281.56

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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.