Home / 5,068.98-7,603.47-2,145.23

Finding the Fourth Proportional to 5,068.98, 7,603.47 and 2,145.23

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Solution

The fourth proportional to 5,068.98, 7,603.47 and 2,145.23 is: 3,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.98 : 7,603.47 = 2,145.23 : x
  2. Step 2: Convert to fraction form
    5,068.98/7,603.47 = 2,145.23/x
  3. Step 3: Cross multiply
    5,068.98x = 7,603.47 × 2,145.23
  4. Step 4: Simplify right side
    5,068.98x = 16,311,225.21
  5. Step 5: Solve for x
    x = 16,311,225.21/5,068.98
  6. Step 6: Final answer
    x = 3,217.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.