Home / 5,985.88-8,260.68-4,218.04

Finding the Fourth Proportional to 5,985.88, 8,260.68 and 4,218.04

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Solution

The fourth proportional to 5,985.88, 8,260.68 and 4,218.04 is: 5,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.88 : 8,260.68 = 4,218.04 : x
  2. Step 2: Convert to fraction form
    5,985.88/8,260.68 = 4,218.04/x
  3. Step 3: Cross multiply
    5,985.88x = 8,260.68 × 4,218.04
  4. Step 4: Simplify right side
    5,985.88x = 34,843,878.67
  5. Step 5: Solve for x
    x = 34,843,878.67/5,985.88
  6. Step 6: Final answer
    x = 5,821.01

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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.