Home / 5,392.11-7,432.16-3,710.67

Finding the Fourth Proportional to 5,392.11, 7,432.16 and 3,710.67

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Solution

The fourth proportional to 5,392.11, 7,432.16 and 3,710.67 is: 5,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.11 : 7,432.16 = 3,710.67 : x
  2. Step 2: Convert to fraction form
    5,392.11/7,432.16 = 3,710.67/x
  3. Step 3: Cross multiply
    5,392.11x = 7,432.16 × 3,710.67
  4. Step 4: Simplify right side
    5,392.11x = 27,578,274.59
  5. Step 5: Solve for x
    x = 27,578,274.59/5,392.11
  6. Step 6: Final answer
    x = 5,114.56

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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.