Home / 5,499.20-8,248.80-4,894.40

Finding the Fourth Proportional to 5,499.20, 8,248.80 and 4,894.40

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Solution

The fourth proportional to 5,499.20, 8,248.80 and 4,894.40 is: 7,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.20 : 8,248.80 = 4,894.40 : x
  2. Step 2: Convert to fraction form
    5,499.20/8,248.80 = 4,894.40/x
  3. Step 3: Cross multiply
    5,499.20x = 8,248.80 × 4,894.40
  4. Step 4: Simplify right side
    5,499.20x = 40,372,926.72
  5. Step 5: Solve for x
    x = 40,372,926.72/5,499.20
  6. Step 6: Final answer
    x = 7,341.60

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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.