Home / 5,012.19-6,916.32-2,887.14

Finding the Fourth Proportional to 5,012.19, 6,916.32 and 2,887.14

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Solution

The fourth proportional to 5,012.19, 6,916.32 and 2,887.14 is: 3,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.19 : 6,916.32 = 2,887.14 : x
  2. Step 2: Convert to fraction form
    5,012.19/6,916.32 = 2,887.14/x
  3. Step 3: Cross multiply
    5,012.19x = 6,916.32 × 2,887.14
  4. Step 4: Simplify right side
    5,012.19x = 19,968,384.12
  5. Step 5: Solve for x
    x = 19,968,384.12/5,012.19
  6. Step 6: Final answer
    x = 3,983.96

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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.