Home / 5,342.92-7,373.36-2,985.21

Finding the Fourth Proportional to 5,342.92, 7,373.36 and 2,985.21

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Solution

The fourth proportional to 5,342.92, 7,373.36 and 2,985.21 is: 4,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.92 : 7,373.36 = 2,985.21 : x
  2. Step 2: Convert to fraction form
    5,342.92/7,373.36 = 2,985.21/x
  3. Step 3: Cross multiply
    5,342.92x = 7,373.36 × 2,985.21
  4. Step 4: Simplify right side
    5,342.92x = 22,011,035.47
  5. Step 5: Solve for x
    x = 22,011,035.47/5,342.92
  6. Step 6: Final answer
    x = 4,119.67

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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.