Home / 5,011.02-6,915.87-2,886.48

Finding the Fourth Proportional to 5,011.02, 6,915.87 and 2,886.48

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Solution

The fourth proportional to 5,011.02, 6,915.87 and 2,886.48 is: 3,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.02 : 6,915.87 = 2,886.48 : x
  2. Step 2: Convert to fraction form
    5,011.02/6,915.87 = 2,886.48/x
  3. Step 3: Cross multiply
    5,011.02x = 6,915.87 × 2,886.48
  4. Step 4: Simplify right side
    5,011.02x = 19,962,520.44
  5. Step 5: Solve for x
    x = 19,962,520.44/5,011.02
  6. Step 6: Final answer
    x = 3,983.72

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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.