Home / 5,031.01-6,938.53-3,238.80

Finding the Fourth Proportional to 5,031.01, 6,938.53 and 3,238.80

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Solution

The fourth proportional to 5,031.01, 6,938.53 and 3,238.80 is: 4,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.01 : 6,938.53 = 3,238.80 : x
  2. Step 2: Convert to fraction form
    5,031.01/6,938.53 = 3,238.80/x
  3. Step 3: Cross multiply
    5,031.01x = 6,938.53 × 3,238.80
  4. Step 4: Simplify right side
    5,031.01x = 22,472,510.96
  5. Step 5: Solve for x
    x = 22,472,510.96/5,031.01
  6. Step 6: Final answer
    x = 4,466.80

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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.