Home / 7,289.22-10,055.43-4,775.54

Finding the Fourth Proportional to 7,289.22, 10,055.43 and 4,775.54

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Solution

The fourth proportional to 7,289.22, 10,055.43 and 4,775.54 is: 6,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.22 : 10,055.43 = 4,775.54 : x
  2. Step 2: Convert to fraction form
    7,289.22/10,055.43 = 4,775.54/x
  3. Step 3: Cross multiply
    7,289.22x = 10,055.43 × 4,775.54
  4. Step 4: Simplify right side
    7,289.22x = 48,020,057.91
  5. Step 5: Solve for x
    x = 48,020,057.91/7,289.22
  6. Step 6: Final answer
    x = 6,587.82

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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.