Home / 5,340.74-7,369.68-3,103.10

Finding the Fourth Proportional to 5,340.74, 7,369.68 and 3,103.10

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Solution

The fourth proportional to 5,340.74, 7,369.68 and 3,103.10 is: 4,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.74 : 7,369.68 = 3,103.10 : x
  2. Step 2: Convert to fraction form
    5,340.74/7,369.68 = 3,103.10/x
  3. Step 3: Cross multiply
    5,340.74x = 7,369.68 × 3,103.10
  4. Step 4: Simplify right side
    5,340.74x = 22,868,817.16
  5. Step 5: Solve for x
    x = 22,868,817.16/5,340.74
  6. Step 6: Final answer
    x = 4,281.96

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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.