Home / 3,033.70-4,186.58-1,985.76

Finding the Fourth Proportional to 3,033.70, 4,186.58 and 1,985.76

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Solution

The fourth proportional to 3,033.70, 4,186.58 and 1,985.76 is: 2,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.70 : 4,186.58 = 1,985.76 : x
  2. Step 2: Convert to fraction form
    3,033.70/4,186.58 = 1,985.76/x
  3. Step 3: Cross multiply
    3,033.70x = 4,186.58 × 1,985.76
  4. Step 4: Simplify right side
    3,033.70x = 8,313,533.17
  5. Step 5: Solve for x
    x = 8,313,533.17/3,033.70
  6. Step 6: Final answer
    x = 2,740.40

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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.