Home / 4,435.86-6,653.75-1,315.89

Finding the Fourth Proportional to 4,435.86, 6,653.75 and 1,315.89

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Solution

The fourth proportional to 4,435.86, 6,653.75 and 1,315.89 is: 1,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.86 : 6,653.75 = 1,315.89 : x
  2. Step 2: Convert to fraction form
    4,435.86/6,653.75 = 1,315.89/x
  3. Step 3: Cross multiply
    4,435.86x = 6,653.75 × 1,315.89
  4. Step 4: Simplify right side
    4,435.86x = 8,755,596.51
  5. Step 5: Solve for x
    x = 8,755,596.51/4,435.86
  6. Step 6: Final answer
    x = 1,973.82

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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.