Home / 5,250.63-7,242.57-3,124.65

Finding the Fourth Proportional to 5,250.63, 7,242.57 and 3,124.65

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Solution

The fourth proportional to 5,250.63, 7,242.57 and 3,124.65 is: 4,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.63 : 7,242.57 = 3,124.65 : x
  2. Step 2: Convert to fraction form
    5,250.63/7,242.57 = 3,124.65/x
  3. Step 3: Cross multiply
    5,250.63x = 7,242.57 × 3,124.65
  4. Step 4: Simplify right side
    5,250.63x = 22,630,496.35
  5. Step 5: Solve for x
    x = 22,630,496.35/5,250.63
  6. Step 6: Final answer
    x = 4,310.05

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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.