Home / 6,951.08-10,420.51-3,612.30

Finding the Fourth Proportional to 6,951.08, 10,420.51 and 3,612.30

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Solution

The fourth proportional to 6,951.08, 10,420.51 and 3,612.30 is: 5,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.08 : 10,420.51 = 3,612.30 : x
  2. Step 2: Convert to fraction form
    6,951.08/10,420.51 = 3,612.30/x
  3. Step 3: Cross multiply
    6,951.08x = 10,420.51 × 3,612.30
  4. Step 4: Simplify right side
    6,951.08x = 37,642,012.79
  5. Step 5: Solve for x
    x = 37,642,012.79/6,951.08
  6. Step 6: Final answer
    x = 5,415.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.