Home / 3,018.91-4,165.53-1,943.13

Finding the Fourth Proportional to 3,018.91, 4,165.53 and 1,943.13

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Solution

The fourth proportional to 3,018.91, 4,165.53 and 1,943.13 is: 2,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.91 : 4,165.53 = 1,943.13 : x
  2. Step 2: Convert to fraction form
    3,018.91/4,165.53 = 1,943.13/x
  3. Step 3: Cross multiply
    3,018.91x = 4,165.53 × 1,943.13
  4. Step 4: Simplify right side
    3,018.91x = 8,094,166.31
  5. Step 5: Solve for x
    x = 8,094,166.31/3,018.91
  6. Step 6: Final answer
    x = 2,681.16

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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.