Home / 1,655.12-2,463.94-1,632.08

Finding the Fourth Proportional to 1,655.12, 2,463.94 and 1,632.08

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Solution

The fourth proportional to 1,655.12, 2,463.94 and 1,632.08 is: 2,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.12 : 2,463.94 = 1,632.08 : x
  2. Step 2: Convert to fraction form
    1,655.12/2,463.94 = 1,632.08/x
  3. Step 3: Cross multiply
    1,655.12x = 2,463.94 × 1,632.08
  4. Step 4: Simplify right side
    1,655.12x = 4,021,347.20
  5. Step 5: Solve for x
    x = 4,021,347.20/1,655.12
  6. Step 6: Final answer
    x = 2,429.64

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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.