Home / 2,095.40-2,891.46-1,256.11

Finding the Fourth Proportional to 2,095.40, 2,891.46 and 1,256.11

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Solution

The fourth proportional to 2,095.40, 2,891.46 and 1,256.11 is: 1,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.40 : 2,891.46 = 1,256.11 : x
  2. Step 2: Convert to fraction form
    2,095.40/2,891.46 = 1,256.11/x
  3. Step 3: Cross multiply
    2,095.40x = 2,891.46 × 1,256.11
  4. Step 4: Simplify right side
    2,095.40x = 3,631,989.30
  5. Step 5: Solve for x
    x = 3,631,989.30/2,095.40
  6. Step 6: Final answer
    x = 1,733.31

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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.