Home / 5,113.00-7,059.43-3,915.87

Finding the Fourth Proportional to 5,113.00, 7,059.43 and 3,915.87

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Solution

The fourth proportional to 5,113.00, 7,059.43 and 3,915.87 is: 5,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.00 : 7,059.43 = 3,915.87 : x
  2. Step 2: Convert to fraction form
    5,113.00/7,059.43 = 3,915.87/x
  3. Step 3: Cross multiply
    5,113.00x = 7,059.43 × 3,915.87
  4. Step 4: Simplify right side
    5,113.00x = 27,643,813.94
  5. Step 5: Solve for x
    x = 27,643,813.94/5,113.00
  6. Step 6: Final answer
    x = 5,406.58

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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.