Home / 2,917.16-4,025.16-1,738.20

Finding the Fourth Proportional to 2,917.16, 4,025.16 and 1,738.20

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Solution

The fourth proportional to 2,917.16, 4,025.16 and 1,738.20 is: 2,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.16 : 4,025.16 = 1,738.20 : x
  2. Step 2: Convert to fraction form
    2,917.16/4,025.16 = 1,738.20/x
  3. Step 3: Cross multiply
    2,917.16x = 4,025.16 × 1,738.20
  4. Step 4: Simplify right side
    2,917.16x = 6,996,533.11
  5. Step 5: Solve for x
    x = 6,996,533.11/2,917.16
  6. Step 6: Final answer
    x = 2,398.41

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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.