Home / 7,225.10-9,971.57-4,241.21

Finding the Fourth Proportional to 7,225.10, 9,971.57 and 4,241.21

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Solution

The fourth proportional to 7,225.10, 9,971.57 and 4,241.21 is: 5,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.10 : 9,971.57 = 4,241.21 : x
  2. Step 2: Convert to fraction form
    7,225.10/9,971.57 = 4,241.21/x
  3. Step 3: Cross multiply
    7,225.10x = 9,971.57 × 4,241.21
  4. Step 4: Simplify right side
    7,225.10x = 42,291,451.34
  5. Step 5: Solve for x
    x = 42,291,451.34/7,225.10
  6. Step 6: Final answer
    x = 5,853.41

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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.