Home / 5,011.60-6,915.96-3,148.24

Finding the Fourth Proportional to 5,011.60, 6,915.96 and 3,148.24

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Solution

The fourth proportional to 5,011.60, 6,915.96 and 3,148.24 is: 4,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.60 : 6,915.96 = 3,148.24 : x
  2. Step 2: Convert to fraction form
    5,011.60/6,915.96 = 3,148.24/x
  3. Step 3: Cross multiply
    5,011.60x = 6,915.96 × 3,148.24
  4. Step 4: Simplify right side
    5,011.60x = 21,773,101.91
  5. Step 5: Solve for x
    x = 21,773,101.91/5,011.60
  6. Step 6: Final answer
    x = 4,344.54

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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.