Home / 7,654.68-11,475.64-2,973.58

Finding the Fourth Proportional to 7,654.68, 11,475.64 and 2,973.58

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Solution

The fourth proportional to 7,654.68, 11,475.64 and 2,973.58 is: 4,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.68 : 11,475.64 = 2,973.58 : x
  2. Step 2: Convert to fraction form
    7,654.68/11,475.64 = 2,973.58/x
  3. Step 3: Cross multiply
    7,654.68x = 11,475.64 × 2,973.58
  4. Step 4: Simplify right side
    7,654.68x = 34,123,733.59
  5. Step 5: Solve for x
    x = 34,123,733.59/7,654.68
  6. Step 6: Final answer
    x = 4,457.89

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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.