Home / 5,008.48-6,911.40-3,019.68

Finding the Fourth Proportional to 5,008.48, 6,911.40 and 3,019.68

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Solution

The fourth proportional to 5,008.48, 6,911.40 and 3,019.68 is: 4,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.48 : 6,911.40 = 3,019.68 : x
  2. Step 2: Convert to fraction form
    5,008.48/6,911.40 = 3,019.68/x
  3. Step 3: Cross multiply
    5,008.48x = 6,911.40 × 3,019.68
  4. Step 4: Simplify right side
    5,008.48x = 20,870,216.35
  5. Step 5: Solve for x
    x = 20,870,216.35/5,008.48
  6. Step 6: Final answer
    x = 4,166.98

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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.