Home / 5,087.10-7,019.84-3,408.23

Finding the Fourth Proportional to 5,087.10, 7,019.84 and 3,408.23

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Solution

The fourth proportional to 5,087.10, 7,019.84 and 3,408.23 is: 4,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.10 : 7,019.84 = 3,408.23 : x
  2. Step 2: Convert to fraction form
    5,087.10/7,019.84 = 3,408.23/x
  3. Step 3: Cross multiply
    5,087.10x = 7,019.84 × 3,408.23
  4. Step 4: Simplify right side
    5,087.10x = 23,925,212.24
  5. Step 5: Solve for x
    x = 23,925,212.24/5,087.10
  6. Step 6: Final answer
    x = 4,703.12

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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.