Home / 3,598.34-5,403.45-2,720.84

Finding the Fourth Proportional to 3,598.34, 5,403.45 and 2,720.84

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Solution

The fourth proportional to 3,598.34, 5,403.45 and 2,720.84 is: 4,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.34 : 5,403.45 = 2,720.84 : x
  2. Step 2: Convert to fraction form
    3,598.34/5,403.45 = 2,720.84/x
  3. Step 3: Cross multiply
    3,598.34x = 5,403.45 × 2,720.84
  4. Step 4: Simplify right side
    3,598.34x = 14,701,922.90
  5. Step 5: Solve for x
    x = 14,701,922.90/3,598.34
  6. Step 6: Final answer
    x = 4,085.75

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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.