Home / 5,479.15-8,219.17-2,359.24

Finding the Fourth Proportional to 5,479.15, 8,219.17 and 2,359.24

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Solution

The fourth proportional to 5,479.15, 8,219.17 and 2,359.24 is: 3,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.15 : 8,219.17 = 2,359.24 : x
  2. Step 2: Convert to fraction form
    5,479.15/8,219.17 = 2,359.24/x
  3. Step 3: Cross multiply
    5,479.15x = 8,219.17 × 2,359.24
  4. Step 4: Simplify right side
    5,479.15x = 19,390,994.63
  5. Step 5: Solve for x
    x = 19,390,994.63/5,479.15
  6. Step 6: Final answer
    x = 3,539.05

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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.