Home / 7,051.45-10,581.95-2,892.21

Finding the Fourth Proportional to 7,051.45, 10,581.95 and 2,892.21

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Solution

The fourth proportional to 7,051.45, 10,581.95 and 2,892.21 is: 4,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.45 : 10,581.95 = 2,892.21 : x
  2. Step 2: Convert to fraction form
    7,051.45/10,581.95 = 2,892.21/x
  3. Step 3: Cross multiply
    7,051.45x = 10,581.95 × 2,892.21
  4. Step 4: Simplify right side
    7,051.45x = 30,605,228.84
  5. Step 5: Solve for x
    x = 30,605,228.84/7,051.45
  6. Step 6: Final answer
    x = 4,340.28

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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.