Home / 5,823.78-8,036.77-3,171.18

Finding the Fourth Proportional to 5,823.78, 8,036.77 and 3,171.18

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Solution

The fourth proportional to 5,823.78, 8,036.77 and 3,171.18 is: 4,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.78 : 8,036.77 = 3,171.18 : x
  2. Step 2: Convert to fraction form
    5,823.78/8,036.77 = 3,171.18/x
  3. Step 3: Cross multiply
    5,823.78x = 8,036.77 × 3,171.18
  4. Step 4: Simplify right side
    5,823.78x = 25,486,044.29
  5. Step 5: Solve for x
    x = 25,486,044.29/5,823.78
  6. Step 6: Final answer
    x = 4,376.20

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1.5x scale

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.