Home / 5,430.49-7,493.10-3,192.81

Finding the Fourth Proportional to 5,430.49, 7,493.10 and 3,192.81

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Solution

The fourth proportional to 5,430.49, 7,493.10 and 3,192.81 is: 4,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.49 : 7,493.10 = 3,192.81 : x
  2. Step 2: Convert to fraction form
    5,430.49/7,493.10 = 3,192.81/x
  3. Step 3: Cross multiply
    5,430.49x = 7,493.10 × 3,192.81
  4. Step 4: Simplify right side
    5,430.49x = 23,924,044.61
  5. Step 5: Solve for x
    x = 23,924,044.61/5,430.49
  6. Step 6: Final answer
    x = 4,405.50

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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.