Home / 3,192.48-4,405.28-1,795.20

Finding the Fourth Proportional to 3,192.48, 4,405.28 and 1,795.20

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Solution

The fourth proportional to 3,192.48, 4,405.28 and 1,795.20 is: 2,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.48 : 4,405.28 = 1,795.20 : x
  2. Step 2: Convert to fraction form
    3,192.48/4,405.28 = 1,795.20/x
  3. Step 3: Cross multiply
    3,192.48x = 4,405.28 × 1,795.20
  4. Step 4: Simplify right side
    3,192.48x = 7,908,358.66
  5. Step 5: Solve for x
    x = 7,908,358.66/3,192.48
  6. Step 6: Final answer
    x = 2,477.18

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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.