Home / 2,094.87-2,891.53-1,678.13

Finding the Fourth Proportional to 2,094.87, 2,891.53 and 1,678.13

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Solution

The fourth proportional to 2,094.87, 2,891.53 and 1,678.13 is: 2,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.87 : 2,891.53 = 1,678.13 : x
  2. Step 2: Convert to fraction form
    2,094.87/2,891.53 = 1,678.13/x
  3. Step 3: Cross multiply
    2,094.87x = 2,891.53 × 1,678.13
  4. Step 4: Simplify right side
    2,094.87x = 4,852,363.24
  5. Step 5: Solve for x
    x = 4,852,363.24/2,094.87
  6. Step 6: Final answer
    x = 2,316.31

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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.