Home / 2,356.15-3,534.23-2,155.68

Finding the Fourth Proportional to 2,356.15, 3,534.23 and 2,155.68

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Solution

The fourth proportional to 2,356.15, 3,534.23 and 2,155.68 is: 3,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.15 : 3,534.23 = 2,155.68 : x
  2. Step 2: Convert to fraction form
    2,356.15/3,534.23 = 2,155.68/x
  3. Step 3: Cross multiply
    2,356.15x = 3,534.23 × 2,155.68
  4. Step 4: Simplify right side
    2,356.15x = 7,618,640.48
  5. Step 5: Solve for x
    x = 7,618,640.48/2,356.15
  6. Step 6: Final answer
    x = 3,233.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.