Home / 3,210.48-4,429.68-1,884.24

Finding the Fourth Proportional to 3,210.48, 4,429.68 and 1,884.24

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Solution

The fourth proportional to 3,210.48, 4,429.68 and 1,884.24 is: 2,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.48 : 4,429.68 = 1,884.24 : x
  2. Step 2: Convert to fraction form
    3,210.48/4,429.68 = 1,884.24/x
  3. Step 3: Cross multiply
    3,210.48x = 4,429.68 × 1,884.24
  4. Step 4: Simplify right side
    3,210.48x = 8,346,580.24
  5. Step 5: Solve for x
    x = 8,346,580.24/3,210.48
  6. Step 6: Final answer
    x = 2,599.79

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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.