Home / 3,051.06-4,210.35-1,653.78

Finding the Fourth Proportional to 3,051.06, 4,210.35 and 1,653.78

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Solution

The fourth proportional to 3,051.06, 4,210.35 and 1,653.78 is: 2,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.06 : 4,210.35 = 1,653.78 : x
  2. Step 2: Convert to fraction form
    3,051.06/4,210.35 = 1,653.78/x
  3. Step 3: Cross multiply
    3,051.06x = 4,210.35 × 1,653.78
  4. Step 4: Simplify right side
    3,051.06x = 6,962,992.62
  5. Step 5: Solve for x
    x = 6,962,992.62/3,051.06
  6. Step 6: Final answer
    x = 2,282.16

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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.