Home / 3,076.04-4,244.98-1,678.84

Finding the Fourth Proportional to 3,076.04, 4,244.98 and 1,678.84

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Solution

The fourth proportional to 3,076.04, 4,244.98 and 1,678.84 is: 2,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.04 : 4,244.98 = 1,678.84 : x
  2. Step 2: Convert to fraction form
    3,076.04/4,244.98 = 1,678.84/x
  3. Step 3: Cross multiply
    3,076.04x = 4,244.98 × 1,678.84
  4. Step 4: Simplify right side
    3,076.04x = 7,126,642.22
  5. Step 5: Solve for x
    x = 7,126,642.22/3,076.04
  6. Step 6: Final answer
    x = 2,316.82

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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.