Home / 5,285.59-7,294.07-3,047.45

Finding the Fourth Proportional to 5,285.59, 7,294.07 and 3,047.45

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Solution

The fourth proportional to 5,285.59, 7,294.07 and 3,047.45 is: 4,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.59 : 7,294.07 = 3,047.45 : x
  2. Step 2: Convert to fraction form
    5,285.59/7,294.07 = 3,047.45/x
  3. Step 3: Cross multiply
    5,285.59x = 7,294.07 × 3,047.45
  4. Step 4: Simplify right side
    5,285.59x = 22,228,284.77
  5. Step 5: Solve for x
    x = 22,228,284.77/5,285.59
  6. Step 6: Final answer
    x = 4,205.45

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.