Home / 4,111.48-6,167.22-1,772.20

Finding the Fourth Proportional to 4,111.48, 6,167.22 and 1,772.20

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Solution

The fourth proportional to 4,111.48, 6,167.22 and 1,772.20 is: 2,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.48 : 6,167.22 = 1,772.20 : x
  2. Step 2: Convert to fraction form
    4,111.48/6,167.22 = 1,772.20/x
  3. Step 3: Cross multiply
    4,111.48x = 6,167.22 × 1,772.20
  4. Step 4: Simplify right side
    4,111.48x = 10,929,547.28
  5. Step 5: Solve for x
    x = 10,929,547.28/4,111.48
  6. Step 6: Final answer
    x = 2,658.30

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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.