Home / 7,156.84-10,741.47-2,999.65

Finding the Fourth Proportional to 7,156.84, 10,741.47 and 2,999.65

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Solution

The fourth proportional to 7,156.84, 10,741.47 and 2,999.65 is: 4,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.84 : 10,741.47 = 2,999.65 : x
  2. Step 2: Convert to fraction form
    7,156.84/10,741.47 = 2,999.65/x
  3. Step 3: Cross multiply
    7,156.84x = 10,741.47 × 2,999.65
  4. Step 4: Simplify right side
    7,156.84x = 32,220,650.49
  5. Step 5: Solve for x
    x = 32,220,650.49/7,156.84
  6. Step 6: Final answer
    x = 4,502.08

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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.