Home / 7,137.30-9,852.76-4,152.04

Finding the Fourth Proportional to 7,137.30, 9,852.76 and 4,152.04

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Solution

The fourth proportional to 7,137.30, 9,852.76 and 4,152.04 is: 5,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.30 : 9,852.76 = 4,152.04 : x
  2. Step 2: Convert to fraction form
    7,137.30/9,852.76 = 4,152.04/x
  3. Step 3: Cross multiply
    7,137.30x = 9,852.76 × 4,152.04
  4. Step 4: Simplify right side
    7,137.30x = 40,909,053.63
  5. Step 5: Solve for x
    x = 40,909,053.63/7,137.30
  6. Step 6: Final answer
    x = 5,731.73

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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.