Home / 1,492.85-2,063.75-1,368.32

Finding the Fourth Proportional to 1,492.85, 2,063.75 and 1,368.32

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Solution

The fourth proportional to 1,492.85, 2,063.75 and 1,368.32 is: 1,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.85 : 2,063.75 = 1,368.32 : x
  2. Step 2: Convert to fraction form
    1,492.85/2,063.75 = 1,368.32/x
  3. Step 3: Cross multiply
    1,492.85x = 2,063.75 × 1,368.32
  4. Step 4: Simplify right side
    1,492.85x = 2,823,853.24
  5. Step 5: Solve for x
    x = 2,823,853.24/1,492.85
  6. Step 6: Final answer
    x = 1,891.58

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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.