Home / 6,853.30-9,457.51-3,709.42

Finding the Fourth Proportional to 6,853.30, 9,457.51 and 3,709.42

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Solution

The fourth proportional to 6,853.30, 9,457.51 and 3,709.42 is: 5,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.30 : 9,457.51 = 3,709.42 : x
  2. Step 2: Convert to fraction form
    6,853.30/9,457.51 = 3,709.42/x
  3. Step 3: Cross multiply
    6,853.30x = 9,457.51 × 3,709.42
  4. Step 4: Simplify right side
    6,853.30x = 35,081,876.74
  5. Step 5: Solve for x
    x = 35,081,876.74/6,853.30
  6. Step 6: Final answer
    x = 5,118.98

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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.