Home / 5,416.12-7,474.75-3,291.16

Finding the Fourth Proportional to 5,416.12, 7,474.75 and 3,291.16

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Solution

The fourth proportional to 5,416.12, 7,474.75 and 3,291.16 is: 4,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.12 : 7,474.75 = 3,291.16 : x
  2. Step 2: Convert to fraction form
    5,416.12/7,474.75 = 3,291.16/x
  3. Step 3: Cross multiply
    5,416.12x = 7,474.75 × 3,291.16
  4. Step 4: Simplify right side
    5,416.12x = 24,600,598.21
  5. Step 5: Solve for x
    x = 24,600,598.21/5,416.12
  6. Step 6: Final answer
    x = 4,542.11

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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.