Home / 5,420.52-7,480.69-3,063.08

Finding the Fourth Proportional to 5,420.52, 7,480.69 and 3,063.08

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Solution

The fourth proportional to 5,420.52, 7,480.69 and 3,063.08 is: 4,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.52 : 7,480.69 = 3,063.08 : x
  2. Step 2: Convert to fraction form
    5,420.52/7,480.69 = 3,063.08/x
  3. Step 3: Cross multiply
    5,420.52x = 7,480.69 × 3,063.08
  4. Step 4: Simplify right side
    5,420.52x = 22,913,962.97
  5. Step 5: Solve for x
    x = 22,913,962.97/5,420.52
  6. Step 6: Final answer
    x = 4,227.26

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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.