Home / 6,652.90-9,180.72-3,818.32

Finding the Fourth Proportional to 6,652.90, 9,180.72 and 3,818.32

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Solution

The fourth proportional to 6,652.90, 9,180.72 and 3,818.32 is: 5,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.90 : 9,180.72 = 3,818.32 : x
  2. Step 2: Convert to fraction form
    6,652.90/9,180.72 = 3,818.32/x
  3. Step 3: Cross multiply
    6,652.90x = 9,180.72 × 3,818.32
  4. Step 4: Simplify right side
    6,652.90x = 35,054,926.79
  5. Step 5: Solve for x
    x = 35,054,926.79/6,652.90
  6. Step 6: Final answer
    x = 5,269.12

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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.