Home / 1,598.15-2,205.29-1,178.73

Finding the Fourth Proportional to 1,598.15, 2,205.29 and 1,178.73

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Solution

The fourth proportional to 1,598.15, 2,205.29 and 1,178.73 is: 1,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.15 : 2,205.29 = 1,178.73 : x
  2. Step 2: Convert to fraction form
    1,598.15/2,205.29 = 1,178.73/x
  3. Step 3: Cross multiply
    1,598.15x = 2,205.29 × 1,178.73
  4. Step 4: Simplify right side
    1,598.15x = 2,599,433.02
  5. Step 5: Solve for x
    x = 2,599,433.02/1,598.15
  6. Step 6: Final answer
    x = 1,626.53

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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.