Home / 5,683.42-7,842.56-4,192.14

Finding the Fourth Proportional to 5,683.42, 7,842.56 and 4,192.14

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Solution

The fourth proportional to 5,683.42, 7,842.56 and 4,192.14 is: 5,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.42 : 7,842.56 = 4,192.14 : x
  2. Step 2: Convert to fraction form
    5,683.42/7,842.56 = 4,192.14/x
  3. Step 3: Cross multiply
    5,683.42x = 7,842.56 × 4,192.14
  4. Step 4: Simplify right side
    5,683.42x = 32,877,109.48
  5. Step 5: Solve for x
    x = 32,877,109.48/5,683.42
  6. Step 6: Final answer
    x = 5,784.74

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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.