Home / 5,789.16-7,988.76-3,270.60

Finding the Fourth Proportional to 5,789.16, 7,988.76 and 3,270.60

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Solution

The fourth proportional to 5,789.16, 7,988.76 and 3,270.60 is: 4,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.16 : 7,988.76 = 3,270.60 : x
  2. Step 2: Convert to fraction form
    5,789.16/7,988.76 = 3,270.60/x
  3. Step 3: Cross multiply
    5,789.16x = 7,988.76 × 3,270.60
  4. Step 4: Simplify right side
    5,789.16x = 26,128,038.46
  5. Step 5: Solve for x
    x = 26,128,038.46/5,789.16
  6. Step 6: Final answer
    x = 4,513.27

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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.