Home / 4,001.16-6,001.74-3,315.72

Finding the Fourth Proportional to 4,001.16, 6,001.74 and 3,315.72

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Solution

The fourth proportional to 4,001.16, 6,001.74 and 3,315.72 is: 4,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.16 : 6,001.74 = 3,315.72 : x
  2. Step 2: Convert to fraction form
    4,001.16/6,001.74 = 3,315.72/x
  3. Step 3: Cross multiply
    4,001.16x = 6,001.74 × 3,315.72
  4. Step 4: Simplify right side
    4,001.16x = 19,900,089.35
  5. Step 5: Solve for x
    x = 19,900,089.35/4,001.16
  6. Step 6: Final answer
    x = 4,973.58

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Similar ratio
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1.5x scale

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.