Home / 4,247.22-5,860.50-2,430.12

Finding the Fourth Proportional to 4,247.22, 5,860.50 and 2,430.12

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Solution

The fourth proportional to 4,247.22, 5,860.50 and 2,430.12 is: 3,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.22 : 5,860.50 = 2,430.12 : x
  2. Step 2: Convert to fraction form
    4,247.22/5,860.50 = 2,430.12/x
  3. Step 3: Cross multiply
    4,247.22x = 5,860.50 × 2,430.12
  4. Step 4: Simplify right side
    4,247.22x = 14,241,718.26
  5. Step 5: Solve for x
    x = 14,241,718.26/4,247.22
  6. Step 6: Final answer
    x = 3,353.19

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Half scale
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Double scale
Find fourth proportional to 4,248.22, 5,861.88 and 2,431.12
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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.