Home / 6,851.20-9,452.80-4,055.68

Finding the Fourth Proportional to 6,851.20, 9,452.80 and 4,055.68

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Solution

The fourth proportional to 6,851.20, 9,452.80 and 4,055.68 is: 5,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.20 : 9,452.80 = 4,055.68 : x
  2. Step 2: Convert to fraction form
    6,851.20/9,452.80 = 4,055.68/x
  3. Step 3: Cross multiply
    6,851.20x = 9,452.80 × 4,055.68
  4. Step 4: Simplify right side
    6,851.20x = 38,337,531.90
  5. Step 5: Solve for x
    x = 38,337,531.90/6,851.20
  6. Step 6: Final answer
    x = 5,595.74

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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.