Home / 5,504.79-8,262.15-3,428.84

Finding the Fourth Proportional to 5,504.79, 8,262.15 and 3,428.84

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Solution

The fourth proportional to 5,504.79, 8,262.15 and 3,428.84 is: 5,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,504.79 : 8,262.15 = 3,428.84 : x
  2. Step 2: Convert to fraction form
    5,504.79/8,262.15 = 3,428.84/x
  3. Step 3: Cross multiply
    5,504.79x = 8,262.15 × 3,428.84
  4. Step 4: Simplify right side
    5,504.79x = 28,329,549.10
  5. Step 5: Solve for x
    x = 28,329,549.10/5,504.79
  6. Step 6: Final answer
    x = 5,146.35

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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.