Home / 5,572.13-7,689.58-3,054.38

Finding the Fourth Proportional to 5,572.13, 7,689.58 and 3,054.38

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Solution

The fourth proportional to 5,572.13, 7,689.58 and 3,054.38 is: 4,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.13 : 7,689.58 = 3,054.38 : x
  2. Step 2: Convert to fraction form
    5,572.13/7,689.58 = 3,054.38/x
  3. Step 3: Cross multiply
    5,572.13x = 7,689.58 × 3,054.38
  4. Step 4: Simplify right side
    5,572.13x = 23,486,882.11
  5. Step 5: Solve for x
    x = 23,486,882.11/5,572.13
  6. Step 6: Final answer
    x = 4,215.06

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Half scale
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Double scale
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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.