Home / 6,792.42-9,374.37-4,140.21

Finding the Fourth Proportional to 6,792.42, 9,374.37 and 4,140.21

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Solution

The fourth proportional to 6,792.42, 9,374.37 and 4,140.21 is: 5,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.42 : 9,374.37 = 4,140.21 : x
  2. Step 2: Convert to fraction form
    6,792.42/9,374.37 = 4,140.21/x
  3. Step 3: Cross multiply
    6,792.42x = 9,374.37 × 4,140.21
  4. Step 4: Simplify right side
    6,792.42x = 38,811,860.42
  5. Step 5: Solve for x
    x = 38,811,860.42/6,792.42
  6. Step 6: Final answer
    x = 5,714.00

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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.