Home / 6,925.10-10,380.96-2,979.18

Finding the Fourth Proportional to 6,925.10, 10,380.96 and 2,979.18

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Solution

The fourth proportional to 6,925.10, 10,380.96 and 2,979.18 is: 4,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.10 : 10,380.96 = 2,979.18 : x
  2. Step 2: Convert to fraction form
    6,925.10/10,380.96 = 2,979.18/x
  3. Step 3: Cross multiply
    6,925.10x = 10,380.96 × 2,979.18
  4. Step 4: Simplify right side
    6,925.10x = 30,926,748.41
  5. Step 5: Solve for x
    x = 30,926,748.41/6,925.10
  6. Step 6: Final answer
    x = 4,465.90

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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.