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Finding the Fourth Proportional to 5,374.76, 7,417.04 and 3,017.66

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Solution

The fourth proportional to 5,374.76, 7,417.04 and 3,017.66 is: 4,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.76 : 7,417.04 = 3,017.66 : x
  2. Step 2: Convert to fraction form
    5,374.76/7,417.04 = 3,017.66/x
  3. Step 3: Cross multiply
    5,374.76x = 7,417.04 × 3,017.66
  4. Step 4: Simplify right side
    5,374.76x = 22,382,052.75
  5. Step 5: Solve for x
    x = 22,382,052.75/5,374.76
  6. Step 6: Final answer
    x = 4,164.29

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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.