Home / 3,352.39-4,628.39-2,159.45

Finding the Fourth Proportional to 3,352.39, 4,628.39 and 2,159.45

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Solution

The fourth proportional to 3,352.39, 4,628.39 and 2,159.45 is: 2,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.39 : 4,628.39 = 2,159.45 : x
  2. Step 2: Convert to fraction form
    3,352.39/4,628.39 = 2,159.45/x
  3. Step 3: Cross multiply
    3,352.39x = 4,628.39 × 2,159.45
  4. Step 4: Simplify right side
    3,352.39x = 9,994,753.64
  5. Step 5: Solve for x
    x = 9,994,753.64/3,352.39
  6. Step 6: Final answer
    x = 2,981.39

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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.