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Finding the Fourth Proportional to 5,343.15, 7,373.76 and 2,984.82

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Solution

The fourth proportional to 5,343.15, 7,373.76 and 2,984.82 is: 4,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.15 : 7,373.76 = 2,984.82 : x
  2. Step 2: Convert to fraction form
    5,343.15/7,373.76 = 2,984.82/x
  3. Step 3: Cross multiply
    5,343.15x = 7,373.76 × 2,984.82
  4. Step 4: Simplify right side
    5,343.15x = 22,009,346.32
  5. Step 5: Solve for x
    x = 22,009,346.32/5,343.15
  6. Step 6: Final answer
    x = 4,119.17

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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.