Home / 5,370.54-7,411.40-3,012.63

Finding the Fourth Proportional to 5,370.54, 7,411.40 and 3,012.63

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Solution

The fourth proportional to 5,370.54, 7,411.40 and 3,012.63 is: 4,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.54 : 7,411.40 = 3,012.63 : x
  2. Step 2: Convert to fraction form
    5,370.54/7,411.40 = 3,012.63/x
  3. Step 3: Cross multiply
    5,370.54x = 7,411.40 × 3,012.63
  4. Step 4: Simplify right side
    5,370.54x = 22,327,753.86
  5. Step 5: Solve for x
    x = 22,327,753.86/5,370.54
  6. Step 6: Final answer
    x = 4,157.45

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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.