Home / 7,031.96-9,687.59-4,903.61

Finding the Fourth Proportional to 7,031.96, 9,687.59 and 4,903.61

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Solution

The fourth proportional to 7,031.96, 9,687.59 and 4,903.61 is: 6,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.96 : 9,687.59 = 4,903.61 : x
  2. Step 2: Convert to fraction form
    7,031.96/9,687.59 = 4,903.61/x
  3. Step 3: Cross multiply
    7,031.96x = 9,687.59 × 4,903.61
  4. Step 4: Simplify right side
    7,031.96x = 47,504,162.90
  5. Step 5: Solve for x
    x = 47,504,162.90/7,031.96
  6. Step 6: Final answer
    x = 6,755.47

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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.