Home / 5,436.77-8,158.23-2,316.45

Finding the Fourth Proportional to 5,436.77, 8,158.23 and 2,316.45

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Solution

The fourth proportional to 5,436.77, 8,158.23 and 2,316.45 is: 3,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.77 : 8,158.23 = 2,316.45 : x
  2. Step 2: Convert to fraction form
    5,436.77/8,158.23 = 2,316.45/x
  3. Step 3: Cross multiply
    5,436.77x = 8,158.23 × 2,316.45
  4. Step 4: Simplify right side
    5,436.77x = 18,898,131.88
  5. Step 5: Solve for x
    x = 18,898,131.88/5,436.77
  6. Step 6: Final answer
    x = 3,475.98

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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.