Home / 5,031.51-6,943.91-2,907.42

Finding the Fourth Proportional to 5,031.51, 6,943.91 and 2,907.42

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Solution

The fourth proportional to 5,031.51, 6,943.91 and 2,907.42 is: 4,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.51 : 6,943.91 = 2,907.42 : x
  2. Step 2: Convert to fraction form
    5,031.51/6,943.91 = 2,907.42/x
  3. Step 3: Cross multiply
    5,031.51x = 6,943.91 × 2,907.42
  4. Step 4: Simplify right side
    5,031.51x = 20,188,848.28
  5. Step 5: Solve for x
    x = 20,188,848.28/5,031.51
  6. Step 6: Final answer
    x = 4,012.48

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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.