Home / 5,031.90-6,943.59-2,936.16

Finding the Fourth Proportional to 5,031.90, 6,943.59 and 2,936.16

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Solution

The fourth proportional to 5,031.90, 6,943.59 and 2,936.16 is: 4,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.90 : 6,943.59 = 2,936.16 : x
  2. Step 2: Convert to fraction form
    5,031.90/6,943.59 = 2,936.16/x
  3. Step 3: Cross multiply
    5,031.90x = 6,943.59 × 2,936.16
  4. Step 4: Simplify right side
    5,031.90x = 20,387,491.21
  5. Step 5: Solve for x
    x = 20,387,491.21/5,031.90
  6. Step 6: Final answer
    x = 4,051.65

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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.