Home / 5,148.40-7,105.24-4,307.62

Finding the Fourth Proportional to 5,148.40, 7,105.24 and 4,307.62

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Solution

The fourth proportional to 5,148.40, 7,105.24 and 4,307.62 is: 5,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.40 : 7,105.24 = 4,307.62 : x
  2. Step 2: Convert to fraction form
    5,148.40/7,105.24 = 4,307.62/x
  3. Step 3: Cross multiply
    5,148.40x = 7,105.24 × 4,307.62
  4. Step 4: Simplify right side
    5,148.40x = 30,606,673.93
  5. Step 5: Solve for x
    x = 30,606,673.93/5,148.40
  6. Step 6: Final answer
    x = 5,944.89

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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.