Home / 7,050.91-9,730.53-3,907.18

Finding the Fourth Proportional to 7,050.91, 9,730.53 and 3,907.18

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Solution

The fourth proportional to 7,050.91, 9,730.53 and 3,907.18 is: 5,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.91 : 9,730.53 = 3,907.18 : x
  2. Step 2: Convert to fraction form
    7,050.91/9,730.53 = 3,907.18/x
  3. Step 3: Cross multiply
    7,050.91x = 9,730.53 × 3,907.18
  4. Step 4: Simplify right side
    7,050.91x = 38,018,932.21
  5. Step 5: Solve for x
    x = 38,018,932.21/7,050.91
  6. Step 6: Final answer
    x = 5,392.06

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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.