Home / 5,545.08-8,318.74-2,947.32

Finding the Fourth Proportional to 5,545.08, 8,318.74 and 2,947.32

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Solution

The fourth proportional to 5,545.08, 8,318.74 and 2,947.32 is: 4,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.08 : 8,318.74 = 2,947.32 : x
  2. Step 2: Convert to fraction form
    5,545.08/8,318.74 = 2,947.32/x
  3. Step 3: Cross multiply
    5,545.08x = 8,318.74 × 2,947.32
  4. Step 4: Simplify right side
    5,545.08x = 24,517,988.78
  5. Step 5: Solve for x
    x = 24,517,988.78/5,545.08
  6. Step 6: Final answer
    x = 4,421.58

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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.