Home / 5,580.11-7,700.78-3,341.54

Finding the Fourth Proportional to 5,580.11, 7,700.78 and 3,341.54

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Solution

The fourth proportional to 5,580.11, 7,700.78 and 3,341.54 is: 4,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.11 : 7,700.78 = 3,341.54 : x
  2. Step 2: Convert to fraction form
    5,580.11/7,700.78 = 3,341.54/x
  3. Step 3: Cross multiply
    5,580.11x = 7,700.78 × 3,341.54
  4. Step 4: Simplify right side
    5,580.11x = 25,732,492.01
  5. Step 5: Solve for x
    x = 25,732,492.01/5,580.11
  6. Step 6: Final answer
    x = 4,611.46

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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.