Home / 2,632.16-3,631.02-2,135.36

Finding the Fourth Proportional to 2,632.16, 3,631.02 and 2,135.36

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Solution

The fourth proportional to 2,632.16, 3,631.02 and 2,135.36 is: 2,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.16 : 3,631.02 = 2,135.36 : x
  2. Step 2: Convert to fraction form
    2,632.16/3,631.02 = 2,135.36/x
  3. Step 3: Cross multiply
    2,632.16x = 3,631.02 × 2,135.36
  4. Step 4: Simplify right side
    2,632.16x = 7,753,534.87
  5. Step 5: Solve for x
    x = 7,753,534.87/2,632.16
  6. Step 6: Final answer
    x = 2,945.69

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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.