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Finding the Fourth Proportional to 5,330.76, 7,357.02 and 2,973.72

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Solution

The fourth proportional to 5,330.76, 7,357.02 and 2,973.72 is: 4,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.76 : 7,357.02 = 2,973.72 : x
  2. Step 2: Convert to fraction form
    5,330.76/7,357.02 = 2,973.72/x
  3. Step 3: Cross multiply
    5,330.76x = 7,357.02 × 2,973.72
  4. Step 4: Simplify right side
    5,330.76x = 21,877,717.51
  5. Step 5: Solve for x
    x = 21,877,717.51/5,330.76
  6. Step 6: Final answer
    x = 4,104.05

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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.