Home / 5,387.40-7,433.23-3,234.32

Finding the Fourth Proportional to 5,387.40, 7,433.23 and 3,234.32

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Solution

The fourth proportional to 5,387.40, 7,433.23 and 3,234.32 is: 4,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.40 : 7,433.23 = 3,234.32 : x
  2. Step 2: Convert to fraction form
    5,387.40/7,433.23 = 3,234.32/x
  3. Step 3: Cross multiply
    5,387.40x = 7,433.23 × 3,234.32
  4. Step 4: Simplify right side
    5,387.40x = 24,041,444.45
  5. Step 5: Solve for x
    x = 24,041,444.45/5,387.40
  6. Step 6: Final answer
    x = 4,462.53

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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.