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Finding the Fourth Proportional to 5,368.27, 7,406.70 and 3,479.93

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Solution

The fourth proportional to 5,368.27, 7,406.70 and 3,479.93 is: 4,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.27 : 7,406.70 = 3,479.93 : x
  2. Step 2: Convert to fraction form
    5,368.27/7,406.70 = 3,479.93/x
  3. Step 3: Cross multiply
    5,368.27x = 7,406.70 × 3,479.93
  4. Step 4: Simplify right side
    5,368.27x = 25,774,780.13
  5. Step 5: Solve for x
    x = 25,774,780.13/5,368.27
  6. Step 6: Final answer
    x = 4,801.32

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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.