Home / 5,555.08-8,326.30-1,856.44

Finding the Fourth Proportional to 5,555.08, 8,326.30 and 1,856.44

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Solution

The fourth proportional to 5,555.08, 8,326.30 and 1,856.44 is: 2,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.08 : 8,326.30 = 1,856.44 : x
  2. Step 2: Convert to fraction form
    5,555.08/8,326.30 = 1,856.44/x
  3. Step 3: Cross multiply
    5,555.08x = 8,326.30 × 1,856.44
  4. Step 4: Simplify right side
    5,555.08x = 15,457,276.37
  5. Step 5: Solve for x
    x = 15,457,276.37/5,555.08
  6. Step 6: Final answer
    x = 2,782.55

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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.