Home / 2,480.16-3,424.14-1,485.81

Finding the Fourth Proportional to 2,480.16, 3,424.14 and 1,485.81

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Solution

The fourth proportional to 2,480.16, 3,424.14 and 1,485.81 is: 2,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.16 : 3,424.14 = 1,485.81 : x
  2. Step 2: Convert to fraction form
    2,480.16/3,424.14 = 1,485.81/x
  3. Step 3: Cross multiply
    2,480.16x = 3,424.14 × 1,485.81
  4. Step 4: Simplify right side
    2,480.16x = 5,087,621.45
  5. Step 5: Solve for x
    x = 5,087,621.45/2,480.16
  6. Step 6: Final answer
    x = 2,051.33

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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.