Home / 5,915.55-8,164.40-3,557.69

Finding the Fourth Proportional to 5,915.55, 8,164.40 and 3,557.69

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Solution

The fourth proportional to 5,915.55, 8,164.40 and 3,557.69 is: 4,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.55 : 8,164.40 = 3,557.69 : x
  2. Step 2: Convert to fraction form
    5,915.55/8,164.40 = 3,557.69/x
  3. Step 3: Cross multiply
    5,915.55x = 8,164.40 × 3,557.69
  4. Step 4: Simplify right side
    5,915.55x = 29,046,376.24
  5. Step 5: Solve for x
    x = 29,046,376.24/5,915.55
  6. Step 6: Final answer
    x = 4,910.17

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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.