Home / 7,664.64-10,576.68-4,307.79

Finding the Fourth Proportional to 7,664.64, 10,576.68 and 4,307.79

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Solution

The fourth proportional to 7,664.64, 10,576.68 and 4,307.79 is: 5,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.64 : 10,576.68 = 4,307.79 : x
  2. Step 2: Convert to fraction form
    7,664.64/10,576.68 = 4,307.79/x
  3. Step 3: Cross multiply
    7,664.64x = 10,576.68 × 4,307.79
  4. Step 4: Simplify right side
    7,664.64x = 45,562,116.34
  5. Step 5: Solve for x
    x = 45,562,116.34/7,664.64
  6. Step 6: Final answer
    x = 5,944.46

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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.