Home / 3,660.78-5,051.51-2,482.30

Finding the Fourth Proportional to 3,660.78, 5,051.51 and 2,482.30

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Solution

The fourth proportional to 3,660.78, 5,051.51 and 2,482.30 is: 3,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.78 : 5,051.51 = 2,482.30 : x
  2. Step 2: Convert to fraction form
    3,660.78/5,051.51 = 2,482.30/x
  3. Step 3: Cross multiply
    3,660.78x = 5,051.51 × 2,482.30
  4. Step 4: Simplify right side
    3,660.78x = 12,539,363.27
  5. Step 5: Solve for x
    x = 12,539,363.27/3,660.78
  6. Step 6: Final answer
    x = 3,425.33

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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.