Home / 5,549.45-7,657.34-3,280.48

Finding the Fourth Proportional to 5,549.45, 7,657.34 and 3,280.48

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Solution

The fourth proportional to 5,549.45, 7,657.34 and 3,280.48 is: 4,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.45 : 7,657.34 = 3,280.48 : x
  2. Step 2: Convert to fraction form
    5,549.45/7,657.34 = 3,280.48/x
  3. Step 3: Cross multiply
    5,549.45x = 7,657.34 × 3,280.48
  4. Step 4: Simplify right side
    5,549.45x = 25,119,715.18
  5. Step 5: Solve for x
    x = 25,119,715.18/5,549.45
  6. Step 6: Final answer
    x = 4,526.52

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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.