Home / 3,006.04-4,148.40-1,679.92

Finding the Fourth Proportional to 3,006.04, 4,148.40 and 1,679.92

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Solution

The fourth proportional to 3,006.04, 4,148.40 and 1,679.92 is: 2,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.04 : 4,148.40 = 1,679.92 : x
  2. Step 2: Convert to fraction form
    3,006.04/4,148.40 = 1,679.92/x
  3. Step 3: Cross multiply
    3,006.04x = 4,148.40 × 1,679.92
  4. Step 4: Simplify right side
    3,006.04x = 6,968,980.13
  5. Step 5: Solve for x
    x = 6,968,980.13/3,006.04
  6. Step 6: Final answer
    x = 2,318.33

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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.