Home / 7,705.44-10,629.72-4,560.12

Finding the Fourth Proportional to 7,705.44, 10,629.72 and 4,560.12

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Solution

The fourth proportional to 7,705.44, 10,629.72 and 4,560.12 is: 6,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.44 : 10,629.72 = 4,560.12 : x
  2. Step 2: Convert to fraction form
    7,705.44/10,629.72 = 4,560.12/x
  3. Step 3: Cross multiply
    7,705.44x = 10,629.72 × 4,560.12
  4. Step 4: Simplify right side
    7,705.44x = 48,472,798.77
  5. Step 5: Solve for x
    x = 48,472,798.77/7,705.44
  6. Step 6: Final answer
    x = 6,290.72

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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.