Home / 2,708.16-4,042.63-2,505.25

Finding the Fourth Proportional to 2,708.16, 4,042.63 and 2,505.25

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Solution

The fourth proportional to 2,708.16, 4,042.63 and 2,505.25 is: 3,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.16 : 4,042.63 = 2,505.25 : x
  2. Step 2: Convert to fraction form
    2,708.16/4,042.63 = 2,505.25/x
  3. Step 3: Cross multiply
    2,708.16x = 4,042.63 × 2,505.25
  4. Step 4: Simplify right side
    2,708.16x = 10,127,798.81
  5. Step 5: Solve for x
    x = 10,127,798.81/2,708.16
  6. Step 6: Final answer
    x = 3,739.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.