Home / 5,437.47-8,156.21-1,333.47

Finding the Fourth Proportional to 5,437.47, 8,156.21 and 1,333.47

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Solution

The fourth proportional to 5,437.47, 8,156.21 and 1,333.47 is: 2,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.47 : 8,156.21 = 1,333.47 : x
  2. Step 2: Convert to fraction form
    5,437.47/8,156.21 = 1,333.47/x
  3. Step 3: Cross multiply
    5,437.47x = 8,156.21 × 1,333.47
  4. Step 4: Simplify right side
    5,437.47x = 10,876,061.35
  5. Step 5: Solve for x
    x = 10,876,061.35/5,437.47
  6. Step 6: Final answer
    x = 2,000.21

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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.