Home / 5,501.28-8,289.76-4,548.80

Finding the Fourth Proportional to 5,501.28, 8,289.76 and 4,548.80

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Solution

The fourth proportional to 5,501.28, 8,289.76 and 4,548.80 is: 6,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.28 : 8,289.76 = 4,548.80 : x
  2. Step 2: Convert to fraction form
    5,501.28/8,289.76 = 4,548.80/x
  3. Step 3: Cross multiply
    5,501.28x = 8,289.76 × 4,548.80
  4. Step 4: Simplify right side
    5,501.28x = 37,708,460.29
  5. Step 5: Solve for x
    x = 37,708,460.29/5,501.28
  6. Step 6: Final answer
    x = 6,854.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.