Home / 7,477.08-11,216.60-2,545.40

Finding the Fourth Proportional to 7,477.08, 11,216.60 and 2,545.40

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Solution

The fourth proportional to 7,477.08, 11,216.60 and 2,545.40 is: 3,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.08 : 11,216.60 = 2,545.40 : x
  2. Step 2: Convert to fraction form
    7,477.08/11,216.60 = 2,545.40/x
  3. Step 3: Cross multiply
    7,477.08x = 11,216.60 × 2,545.40
  4. Step 4: Simplify right side
    7,477.08x = 28,550,664.83
  5. Step 5: Solve for x
    x = 28,550,664.83/7,477.08
  6. Step 6: Final answer
    x = 3,818.42

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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.