Home / 2,908.23-4,013.54-1,648.81

Finding the Fourth Proportional to 2,908.23, 4,013.54 and 1,648.81

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Solution

The fourth proportional to 2,908.23, 4,013.54 and 1,648.81 is: 2,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.23 : 4,013.54 = 1,648.81 : x
  2. Step 2: Convert to fraction form
    2,908.23/4,013.54 = 1,648.81/x
  3. Step 3: Cross multiply
    2,908.23x = 4,013.54 × 1,648.81
  4. Step 4: Simplify right side
    2,908.23x = 6,617,564.89
  5. Step 5: Solve for x
    x = 6,617,564.89/2,908.23
  6. Step 6: Final answer
    x = 2,275.46

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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.