Home / 5,649.95-8,472.26-2,090.91

Finding the Fourth Proportional to 5,649.95, 8,472.26 and 2,090.91

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Solution

The fourth proportional to 5,649.95, 8,472.26 and 2,090.91 is: 3,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.95 : 8,472.26 = 2,090.91 : x
  2. Step 2: Convert to fraction form
    5,649.95/8,472.26 = 2,090.91/x
  3. Step 3: Cross multiply
    5,649.95x = 8,472.26 × 2,090.91
  4. Step 4: Simplify right side
    5,649.95x = 17,714,722.70
  5. Step 5: Solve for x
    x = 17,714,722.70/5,649.95
  6. Step 6: Final answer
    x = 3,135.38

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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.