Home / 4,840.38-6,678.90-2,851.02

Finding the Fourth Proportional to 4,840.38, 6,678.90 and 2,851.02

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Solution

The fourth proportional to 4,840.38, 6,678.90 and 2,851.02 is: 3,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.38 : 6,678.90 = 2,851.02 : x
  2. Step 2: Convert to fraction form
    4,840.38/6,678.90 = 2,851.02/x
  3. Step 3: Cross multiply
    4,840.38x = 6,678.90 × 2,851.02
  4. Step 4: Simplify right side
    4,840.38x = 19,041,677.48
  5. Step 5: Solve for x
    x = 19,041,677.48/4,840.38
  6. Step 6: Final answer
    x = 3,933.92

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Half scale
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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.