Home / 1,908.24-2,635.56-1,465.20

Finding the Fourth Proportional to 1,908.24, 2,635.56 and 1,465.20

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Solution

The fourth proportional to 1,908.24, 2,635.56 and 1,465.20 is: 2,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.24 : 2,635.56 = 1,465.20 : x
  2. Step 2: Convert to fraction form
    1,908.24/2,635.56 = 1,465.20/x
  3. Step 3: Cross multiply
    1,908.24x = 2,635.56 × 1,465.20
  4. Step 4: Simplify right side
    1,908.24x = 3,861,622.51
  5. Step 5: Solve for x
    x = 3,861,622.51/1,908.24
  6. Step 6: Final answer
    x = 2,023.66

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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.