Home / 7,053.13-9,732.67-3,909.05

Finding the Fourth Proportional to 7,053.13, 9,732.67 and 3,909.05

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Solution

The fourth proportional to 7,053.13, 9,732.67 and 3,909.05 is: 5,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.13 : 9,732.67 = 3,909.05 : x
  2. Step 2: Convert to fraction form
    7,053.13/9,732.67 = 3,909.05/x
  3. Step 3: Cross multiply
    7,053.13x = 9,732.67 × 3,909.05
  4. Step 4: Simplify right side
    7,053.13x = 38,045,474.12
  5. Step 5: Solve for x
    x = 38,045,474.12/7,053.13
  6. Step 6: Final answer
    x = 5,394.13

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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.