Home / 5,707.12-7,851.16-4,656.88

Finding the Fourth Proportional to 5,707.12, 7,851.16 and 4,656.88

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Solution

The fourth proportional to 5,707.12, 7,851.16 and 4,656.88 is: 6,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.12 : 7,851.16 = 4,656.88 : x
  2. Step 2: Convert to fraction form
    5,707.12/7,851.16 = 4,656.88/x
  3. Step 3: Cross multiply
    5,707.12x = 7,851.16 × 4,656.88
  4. Step 4: Simplify right side
    5,707.12x = 36,561,909.98
  5. Step 5: Solve for x
    x = 36,561,909.98/5,707.12
  6. Step 6: Final answer
    x = 6,406.37

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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.