Home / 7,261.98-10,020.90-4,031.91

Finding the Fourth Proportional to 7,261.98, 10,020.90 and 4,031.91

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Solution

The fourth proportional to 7,261.98, 10,020.90 and 4,031.91 is: 5,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.98 : 10,020.90 = 4,031.91 : x
  2. Step 2: Convert to fraction form
    7,261.98/10,020.90 = 4,031.91/x
  3. Step 3: Cross multiply
    7,261.98x = 10,020.90 × 4,031.91
  4. Step 4: Simplify right side
    7,261.98x = 40,403,366.92
  5. Step 5: Solve for x
    x = 40,403,366.92/7,261.98
  6. Step 6: Final answer
    x = 5,563.68

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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.