Home / 5,354.96-7,390.88-3,230.84

Finding the Fourth Proportional to 5,354.96, 7,390.88 and 3,230.84

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Solution

The fourth proportional to 5,354.96, 7,390.88 and 3,230.84 is: 4,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.96 : 7,390.88 = 3,230.84 : x
  2. Step 2: Convert to fraction form
    5,354.96/7,390.88 = 3,230.84/x
  3. Step 3: Cross multiply
    5,354.96x = 7,390.88 × 3,230.84
  4. Step 4: Simplify right side
    5,354.96x = 23,878,737.23
  5. Step 5: Solve for x
    x = 23,878,737.23/5,354.96
  6. Step 6: Final answer
    x = 4,459.18

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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.