Home / 7,372.40-10,174.10-4,015.35

Finding the Fourth Proportional to 7,372.40, 10,174.10 and 4,015.35

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Solution

The fourth proportional to 7,372.40, 10,174.10 and 4,015.35 is: 5,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.40 : 10,174.10 = 4,015.35 : x
  2. Step 2: Convert to fraction form
    7,372.40/10,174.10 = 4,015.35/x
  3. Step 3: Cross multiply
    7,372.40x = 10,174.10 × 4,015.35
  4. Step 4: Simplify right side
    7,372.40x = 40,852,572.44
  5. Step 5: Solve for x
    x = 40,852,572.44/7,372.40
  6. Step 6: Final answer
    x = 5,541.29

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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.