Home / 1,632.15-2,448.60-707.86

Finding the Fourth Proportional to 1,632.15, 2,448.60 and 707.86

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Solution

The fourth proportional to 1,632.15, 2,448.60 and 707.86 is: 1,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.15 : 2,448.60 = 707.86 : x
  2. Step 2: Convert to fraction form
    1,632.15/2,448.60 = 707.86/x
  3. Step 3: Cross multiply
    1,632.15x = 2,448.60 × 707.86
  4. Step 4: Simplify right side
    1,632.15x = 1,733,266.00
  5. Step 5: Solve for x
    x = 1,733,266.00/1,632.15
  6. Step 6: Final answer
    x = 1,061.95

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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.