Home / 7,631.49-10,531.16-4,274.13

Finding the Fourth Proportional to 7,631.49, 10,531.16 and 4,274.13

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Solution

The fourth proportional to 7,631.49, 10,531.16 and 4,274.13 is: 5,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.49 : 10,531.16 = 4,274.13 : x
  2. Step 2: Convert to fraction form
    7,631.49/10,531.16 = 4,274.13/x
  3. Step 3: Cross multiply
    7,631.49x = 10,531.16 × 4,274.13
  4. Step 4: Simplify right side
    7,631.49x = 45,011,546.89
  5. Step 5: Solve for x
    x = 45,011,546.89/7,631.49
  6. Step 6: Final answer
    x = 5,898.13

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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.