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Finding the Fourth Proportional to 5,397.84, 8,089.47 and 4,756.32

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Solution

The fourth proportional to 5,397.84, 8,089.47 and 4,756.32 is: 7,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.84 : 8,089.47 = 4,756.32 : x
  2. Step 2: Convert to fraction form
    5,397.84/8,089.47 = 4,756.32/x
  3. Step 3: Cross multiply
    5,397.84x = 8,089.47 × 4,756.32
  4. Step 4: Simplify right side
    5,397.84x = 38,476,107.95
  5. Step 5: Solve for x
    x = 38,476,107.95/5,397.84
  6. Step 6: Final answer
    x = 7,128.06

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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.