Home / 3,358.02-4,632.48-2,178.66

Finding the Fourth Proportional to 3,358.02, 4,632.48 and 2,178.66

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Solution

The fourth proportional to 3,358.02, 4,632.48 and 2,178.66 is: 3,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.02 : 4,632.48 = 2,178.66 : x
  2. Step 2: Convert to fraction form
    3,358.02/4,632.48 = 2,178.66/x
  3. Step 3: Cross multiply
    3,358.02x = 4,632.48 × 2,178.66
  4. Step 4: Simplify right side
    3,358.02x = 10,092,598.88
  5. Step 5: Solve for x
    x = 10,092,598.88/3,358.02
  6. Step 6: Final answer
    x = 3,005.52

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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.