Home / 2,430.12-3,343.98-2,365.64

Finding the Fourth Proportional to 2,430.12, 3,343.98 and 2,365.64

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Solution

The fourth proportional to 2,430.12, 3,343.98 and 2,365.64 is: 3,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.12 : 3,343.98 = 2,365.64 : x
  2. Step 2: Convert to fraction form
    2,430.12/3,343.98 = 2,365.64/x
  3. Step 3: Cross multiply
    2,430.12x = 3,343.98 × 2,365.64
  4. Step 4: Simplify right side
    2,430.12x = 7,910,652.85
  5. Step 5: Solve for x
    x = 7,910,652.85/2,430.12
  6. Step 6: Final answer
    x = 3,255.25

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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.