Home / 4,098.80-5,656.26-2,235.80

Finding the Fourth Proportional to 4,098.80, 5,656.26 and 2,235.80

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Solution

The fourth proportional to 4,098.80, 5,656.26 and 2,235.80 is: 3,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.80 : 5,656.26 = 2,235.80 : x
  2. Step 2: Convert to fraction form
    4,098.80/5,656.26 = 2,235.80/x
  3. Step 3: Cross multiply
    4,098.80x = 5,656.26 × 2,235.80
  4. Step 4: Simplify right side
    4,098.80x = 12,646,266.11
  5. Step 5: Solve for x
    x = 12,646,266.11/4,098.80
  6. Step 6: Final answer
    x = 3,085.36

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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.