Home / 4,885.11-7,328.81-1,764.59

Finding the Fourth Proportional to 4,885.11, 7,328.81 and 1,764.59

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Solution

The fourth proportional to 4,885.11, 7,328.81 and 1,764.59 is: 2,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.11 : 7,328.81 = 1,764.59 : x
  2. Step 2: Convert to fraction form
    4,885.11/7,328.81 = 1,764.59/x
  3. Step 3: Cross multiply
    4,885.11x = 7,328.81 × 1,764.59
  4. Step 4: Simplify right side
    4,885.11x = 12,932,312.61
  5. Step 5: Solve for x
    x = 12,932,312.61/4,885.11
  6. Step 6: Final answer
    x = 2,647.29

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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.