Home / 7,166.72-10,750.34-1,973

Finding the Fourth Proportional to 7,166.72, 10,750.34 and 1,973

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Solution

The fourth proportional to 7,166.72, 10,750.34 and 1,973 is: 2,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.72 : 10,750.34 = 1,973 : x
  2. Step 2: Convert to fraction form
    7,166.72/10,750.34 = 1,973/x
  3. Step 3: Cross multiply
    7,166.72x = 10,750.34 × 1,973
  4. Step 4: Simplify right side
    7,166.72x = 21,210,420.82
  5. Step 5: Solve for x
    x = 21,210,420.82/7,166.72
  6. Step 6: Final answer
    x = 2,959.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.