Home / 5,011.24-6,915.57-3,123.58

Finding the Fourth Proportional to 5,011.24, 6,915.57 and 3,123.58

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Solution

The fourth proportional to 5,011.24, 6,915.57 and 3,123.58 is: 4,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.24 : 6,915.57 = 3,123.58 : x
  2. Step 2: Convert to fraction form
    5,011.24/6,915.57 = 3,123.58/x
  3. Step 3: Cross multiply
    5,011.24x = 6,915.57 × 3,123.58
  4. Step 4: Simplify right side
    5,011.24x = 21,601,336.14
  5. Step 5: Solve for x
    x = 21,601,336.14/5,011.24
  6. Step 6: Final answer
    x = 4,310.58

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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.