Home / 3,090.16-4,264.53-1,692.91

Finding the Fourth Proportional to 3,090.16, 4,264.53 and 1,692.91

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Solution

The fourth proportional to 3,090.16, 4,264.53 and 1,692.91 is: 2,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.16 : 4,264.53 = 1,692.91 : x
  2. Step 2: Convert to fraction form
    3,090.16/4,264.53 = 1,692.91/x
  3. Step 3: Cross multiply
    3,090.16x = 4,264.53 × 1,692.91
  4. Step 4: Simplify right side
    3,090.16x = 7,219,465.48
  5. Step 5: Solve for x
    x = 7,219,465.48/3,090.16
  6. Step 6: Final answer
    x = 2,336.28

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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.