Home / 5,103.63-7,040.69-3,423.29

Finding the Fourth Proportional to 5,103.63, 7,040.69 and 3,423.29

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Solution

The fourth proportional to 5,103.63, 7,040.69 and 3,423.29 is: 4,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.63 : 7,040.69 = 3,423.29 : x
  2. Step 2: Convert to fraction form
    5,103.63/7,040.69 = 3,423.29/x
  3. Step 3: Cross multiply
    5,103.63x = 7,040.69 × 3,423.29
  4. Step 4: Simplify right side
    5,103.63x = 24,102,271.35
  5. Step 5: Solve for x
    x = 24,102,271.35/5,103.63
  6. Step 6: Final answer
    x = 4,722.57

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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.