Home / 5,555.12-8,332.68-1,662.26

Finding the Fourth Proportional to 5,555.12, 8,332.68 and 1,662.26

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Solution

The fourth proportional to 5,555.12, 8,332.68 and 1,662.26 is: 2,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.12 : 8,332.68 = 1,662.26 : x
  2. Step 2: Convert to fraction form
    5,555.12/8,332.68 = 1,662.26/x
  3. Step 3: Cross multiply
    5,555.12x = 8,332.68 × 1,662.26
  4. Step 4: Simplify right side
    5,555.12x = 13,851,080.66
  5. Step 5: Solve for x
    x = 13,851,080.66/5,555.12
  6. Step 6: Final answer
    x = 2,493.39

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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.