Home / 7,051.23-9,730.76-3,907.47

Finding the Fourth Proportional to 7,051.23, 9,730.76 and 3,907.47

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Solution

The fourth proportional to 7,051.23, 9,730.76 and 3,907.47 is: 5,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.23 : 9,730.76 = 3,907.47 : x
  2. Step 2: Convert to fraction form
    7,051.23/9,730.76 = 3,907.47/x
  3. Step 3: Cross multiply
    7,051.23x = 9,730.76 × 3,907.47
  4. Step 4: Simplify right side
    7,051.23x = 38,022,633.24
  5. Step 5: Solve for x
    x = 38,022,633.24/7,051.23
  6. Step 6: Final answer
    x = 5,392.34

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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.