Home / 2,995.13-4,492.68-1,678.25

Finding the Fourth Proportional to 2,995.13, 4,492.68 and 1,678.25

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Solution

The fourth proportional to 2,995.13, 4,492.68 and 1,678.25 is: 2,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.13 : 4,492.68 = 1,678.25 : x
  2. Step 2: Convert to fraction form
    2,995.13/4,492.68 = 1,678.25/x
  3. Step 3: Cross multiply
    2,995.13x = 4,492.68 × 1,678.25
  4. Step 4: Simplify right side
    2,995.13x = 7,539,854.59
  5. Step 5: Solve for x
    x = 7,539,854.59/2,995.13
  6. Step 6: Final answer
    x = 2,517.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.