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Finding the Fourth Proportional to 5,012.58, 6,919.18 and 2,916.70

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Solution

The fourth proportional to 5,012.58, 6,919.18 and 2,916.70 is: 4,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.58 : 6,919.18 = 2,916.70 : x
  2. Step 2: Convert to fraction form
    5,012.58/6,919.18 = 2,916.70/x
  3. Step 3: Cross multiply
    5,012.58x = 6,919.18 × 2,916.70
  4. Step 4: Simplify right side
    5,012.58x = 20,181,203.04
  5. Step 5: Solve for x
    x = 20,181,203.04/5,012.58
  6. Step 6: Final answer
    x = 4,026.11

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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.