Home / 5,011.10-6,915.18-2,772.92

Finding the Fourth Proportional to 5,011.10, 6,915.18 and 2,772.92

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Solution

The fourth proportional to 5,011.10, 6,915.18 and 2,772.92 is: 3,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.10 : 6,915.18 = 2,772.92 : x
  2. Step 2: Convert to fraction form
    5,011.10/6,915.18 = 2,772.92/x
  3. Step 3: Cross multiply
    5,011.10x = 6,915.18 × 2,772.92
  4. Step 4: Simplify right side
    5,011.10x = 19,175,240.93
  5. Step 5: Solve for x
    x = 19,175,240.93/5,011.10
  6. Step 6: Final answer
    x = 3,826.55

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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.