Home / 7,312.01-10,968.92-2,380.32

Finding the Fourth Proportional to 7,312.01, 10,968.92 and 2,380.32

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Solution

The fourth proportional to 7,312.01, 10,968.92 and 2,380.32 is: 3,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.01 : 10,968.92 = 2,380.32 : x
  2. Step 2: Convert to fraction form
    7,312.01/10,968.92 = 2,380.32/x
  3. Step 3: Cross multiply
    7,312.01x = 10,968.92 × 2,380.32
  4. Step 4: Simplify right side
    7,312.01x = 26,109,539.65
  5. Step 5: Solve for x
    x = 26,109,539.65/7,312.01
  6. Step 6: Final answer
    x = 3,570.78

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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.