Home / 5,261.70-7,246.38-5,146.89

Finding the Fourth Proportional to 5,261.70, 7,246.38 and 5,146.89

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Solution

The fourth proportional to 5,261.70, 7,246.38 and 5,146.89 is: 7,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.70 : 7,246.38 = 5,146.89 : x
  2. Step 2: Convert to fraction form
    5,261.70/7,246.38 = 5,146.89/x
  3. Step 3: Cross multiply
    5,261.70x = 7,246.38 × 5,146.89
  4. Step 4: Simplify right side
    5,261.70x = 37,296,284.53
  5. Step 5: Solve for x
    x = 37,296,284.53/5,261.70
  6. Step 6: Final answer
    x = 7,088.26

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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.