Home / 5,649.12-8,466.36-2,686.56

Finding the Fourth Proportional to 5,649.12, 8,466.36 and 2,686.56

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Solution

The fourth proportional to 5,649.12, 8,466.36 and 2,686.56 is: 4,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.12 : 8,466.36 = 2,686.56 : x
  2. Step 2: Convert to fraction form
    5,649.12/8,466.36 = 2,686.56/x
  3. Step 3: Cross multiply
    5,649.12x = 8,466.36 × 2,686.56
  4. Step 4: Simplify right side
    5,649.12x = 22,745,384.12
  5. Step 5: Solve for x
    x = 22,745,384.12/5,649.12
  6. Step 6: Final answer
    x = 4,026.36

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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.