Home / 5,355.08-8,029.58-2,429.76

Finding the Fourth Proportional to 5,355.08, 8,029.58 and 2,429.76

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Solution

The fourth proportional to 5,355.08, 8,029.58 and 2,429.76 is: 3,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.08 : 8,029.58 = 2,429.76 : x
  2. Step 2: Convert to fraction form
    5,355.08/8,029.58 = 2,429.76/x
  3. Step 3: Cross multiply
    5,355.08x = 8,029.58 × 2,429.76
  4. Step 4: Simplify right side
    5,355.08x = 19,509,940.15
  5. Step 5: Solve for x
    x = 19,509,940.15/5,355.08
  6. Step 6: Final answer
    x = 3,643.26

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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.