Home / 1,474.57-2,034.93-845.15

Finding the Fourth Proportional to 1,474.57, 2,034.93 and 845.15

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Solution

The fourth proportional to 1,474.57, 2,034.93 and 845.15 is: 1,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.57 : 2,034.93 = 845.15 : x
  2. Step 2: Convert to fraction form
    1,474.57/2,034.93 = 845.15/x
  3. Step 3: Cross multiply
    1,474.57x = 2,034.93 × 845.15
  4. Step 4: Simplify right side
    1,474.57x = 1,719,821.52
  5. Step 5: Solve for x
    x = 1,719,821.52/1,474.57
  6. Step 6: Final answer
    x = 1,166.32

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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.