Home / 7,005.41-10,499.03-2,840.55

Finding the Fourth Proportional to 7,005.41, 10,499.03 and 2,840.55

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Solution

The fourth proportional to 7,005.41, 10,499.03 and 2,840.55 is: 4,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.41 : 10,499.03 = 2,840.55 : x
  2. Step 2: Convert to fraction form
    7,005.41/10,499.03 = 2,840.55/x
  3. Step 3: Cross multiply
    7,005.41x = 10,499.03 × 2,840.55
  4. Step 4: Simplify right side
    7,005.41x = 29,823,005.46
  5. Step 5: Solve for x
    x = 29,823,005.46/7,005.41
  6. Step 6: Final answer
    x = 4,257.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.