Home / 5,133.61-7,701.72-1,435.85

Finding the Fourth Proportional to 5,133.61, 7,701.72 and 1,435.85

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Solution

The fourth proportional to 5,133.61, 7,701.72 and 1,435.85 is: 2,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.61 : 7,701.72 = 1,435.85 : x
  2. Step 2: Convert to fraction form
    5,133.61/7,701.72 = 1,435.85/x
  3. Step 3: Cross multiply
    5,133.61x = 7,701.72 × 1,435.85
  4. Step 4: Simplify right side
    5,133.61x = 11,058,514.66
  5. Step 5: Solve for x
    x = 11,058,514.66/5,133.61
  6. Step 6: Final answer
    x = 2,154.14

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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.