Home / 4,816.40-6,647.10-2,927.57

Finding the Fourth Proportional to 4,816.40, 6,647.10 and 2,927.57

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Solution

The fourth proportional to 4,816.40, 6,647.10 and 2,927.57 is: 4,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.40 : 6,647.10 = 2,927.57 : x
  2. Step 2: Convert to fraction form
    4,816.40/6,647.10 = 2,927.57/x
  3. Step 3: Cross multiply
    4,816.40x = 6,647.10 × 2,927.57
  4. Step 4: Simplify right side
    4,816.40x = 19,459,850.55
  5. Step 5: Solve for x
    x = 19,459,850.55/4,816.40
  6. Step 6: Final answer
    x = 4,040.33

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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.