Home / 3,368.28-4,648.02-1,876.12

Finding the Fourth Proportional to 3,368.28, 4,648.02 and 1,876.12

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Solution

The fourth proportional to 3,368.28, 4,648.02 and 1,876.12 is: 2,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.28 : 4,648.02 = 1,876.12 : x
  2. Step 2: Convert to fraction form
    3,368.28/4,648.02 = 1,876.12/x
  3. Step 3: Cross multiply
    3,368.28x = 4,648.02 × 1,876.12
  4. Step 4: Simplify right side
    3,368.28x = 8,720,243.28
  5. Step 5: Solve for x
    x = 8,720,243.28/3,368.28
  6. Step 6: Final answer
    x = 2,588.93

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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.