Home / 5,013.05-7,515.35-3,160.08

Finding the Fourth Proportional to 5,013.05, 7,515.35 and 3,160.08

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Solution

The fourth proportional to 5,013.05, 7,515.35 and 3,160.08 is: 4,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.05 : 7,515.35 = 3,160.08 : x
  2. Step 2: Convert to fraction form
    5,013.05/7,515.35 = 3,160.08/x
  3. Step 3: Cross multiply
    5,013.05x = 7,515.35 × 3,160.08
  4. Step 4: Simplify right side
    5,013.05x = 23,749,103.28
  5. Step 5: Solve for x
    x = 23,749,103.28/5,013.05
  6. Step 6: Final answer
    x = 4,737.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.