Home / 1,633.12-2,445-1,529.66

Finding the Fourth Proportional to 1,633.12, 2,445 and 1,529.66

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Solution

The fourth proportional to 1,633.12, 2,445 and 1,529.66 is: 2,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.12 : 2,445 = 1,529.66 : x
  2. Step 2: Convert to fraction form
    1,633.12/2,445 = 1,529.66/x
  3. Step 3: Cross multiply
    1,633.12x = 2,445 × 1,529.66
  4. Step 4: Simplify right side
    1,633.12x = 3,740,018.70
  5. Step 5: Solve for x
    x = 3,740,018.70/1,633.12
  6. Step 6: Final answer
    x = 2,290.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.