Home / 5,374.90-7,418.10-3,017.18

Finding the Fourth Proportional to 5,374.90, 7,418.10 and 3,017.18

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Solution

The fourth proportional to 5,374.90, 7,418.10 and 3,017.18 is: 4,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.90 : 7,418.10 = 3,017.18 : x
  2. Step 2: Convert to fraction form
    5,374.90/7,418.10 = 3,017.18/x
  3. Step 3: Cross multiply
    5,374.90x = 7,418.10 × 3,017.18
  4. Step 4: Simplify right side
    5,374.90x = 22,381,742.96
  5. Step 5: Solve for x
    x = 22,381,742.96/5,374.90
  6. Step 6: Final answer
    x = 4,164.12

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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.