Home / 7,059.85-9,742.91-3,916.03

Finding the Fourth Proportional to 7,059.85, 9,742.91 and 3,916.03

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Solution

The fourth proportional to 7,059.85, 9,742.91 and 3,916.03 is: 5,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.85 : 9,742.91 = 3,916.03 : x
  2. Step 2: Convert to fraction form
    7,059.85/9,742.91 = 3,916.03/x
  3. Step 3: Cross multiply
    7,059.85x = 9,742.91 × 3,916.03
  4. Step 4: Simplify right side
    7,059.85x = 38,153,532.62
  5. Step 5: Solve for x
    x = 38,153,532.62/7,059.85
  6. Step 6: Final answer
    x = 5,404.30

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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.