Home / 3,090.24-4,264.65-1,692.99

Finding the Fourth Proportional to 3,090.24, 4,264.65 and 1,692.99

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Solution

The fourth proportional to 3,090.24, 4,264.65 and 1,692.99 is: 2,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.24 : 4,264.65 = 1,692.99 : x
  2. Step 2: Convert to fraction form
    3,090.24/4,264.65 = 1,692.99/x
  3. Step 3: Cross multiply
    3,090.24x = 4,264.65 × 1,692.99
  4. Step 4: Simplify right side
    3,090.24x = 7,220,009.80
  5. Step 5: Solve for x
    x = 7,220,009.80/3,090.24
  6. Step 6: Final answer
    x = 2,336.39

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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.