Home / 3,552.58-4,902.59-1,980.77

Finding the Fourth Proportional to 3,552.58, 4,902.59 and 1,980.77

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Solution

The fourth proportional to 3,552.58, 4,902.59 and 1,980.77 is: 2,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.58 : 4,902.59 = 1,980.77 : x
  2. Step 2: Convert to fraction form
    3,552.58/4,902.59 = 1,980.77/x
  3. Step 3: Cross multiply
    3,552.58x = 4,902.59 × 1,980.77
  4. Step 4: Simplify right side
    3,552.58x = 9,710,905.55
  5. Step 5: Solve for x
    x = 9,710,905.55/3,552.58
  6. Step 6: Final answer
    x = 2,733.48

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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.