Home / 5,913.48-8,161.02-3,396

Finding the Fourth Proportional to 5,913.48, 8,161.02 and 3,396

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Solution

The fourth proportional to 5,913.48, 8,161.02 and 3,396 is: 4,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.48 : 8,161.02 = 3,396 : x
  2. Step 2: Convert to fraction form
    5,913.48/8,161.02 = 3,396/x
  3. Step 3: Cross multiply
    5,913.48x = 8,161.02 × 3,396
  4. Step 4: Simplify right side
    5,913.48x = 27,714,823.92
  5. Step 5: Solve for x
    x = 27,714,823.92/5,913.48
  6. Step 6: Final answer
    x = 4,686.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.