Home / 4,675.12-6,451.85-2,686.30

Finding the Fourth Proportional to 4,675.12, 6,451.85 and 2,686.30

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Solution

The fourth proportional to 4,675.12, 6,451.85 and 2,686.30 is: 3,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.12 : 6,451.85 = 2,686.30 : x
  2. Step 2: Convert to fraction form
    4,675.12/6,451.85 = 2,686.30/x
  3. Step 3: Cross multiply
    4,675.12x = 6,451.85 × 2,686.30
  4. Step 4: Simplify right side
    4,675.12x = 17,331,595.24
  5. Step 5: Solve for x
    x = 17,331,595.24/4,675.12
  6. Step 6: Final answer
    x = 3,707.20

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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.