Home / 2,412.16-3,327.36-1,480

Finding the Fourth Proportional to 2,412.16, 3,327.36 and 1,480

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Solution

The fourth proportional to 2,412.16, 3,327.36 and 1,480 is: 2,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.16 : 3,327.36 = 1,480 : x
  2. Step 2: Convert to fraction form
    2,412.16/3,327.36 = 1,480/x
  3. Step 3: Cross multiply
    2,412.16x = 3,327.36 × 1,480
  4. Step 4: Simplify right side
    2,412.16x = 4,924,492.80
  5. Step 5: Solve for x
    x = 4,924,492.80/2,412.16
  6. Step 6: Final answer
    x = 2,041.53

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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.