Home / 6,275.32-8,640.14-5,329.24

Finding the Fourth Proportional to 6,275.32, 8,640.14 and 5,329.24

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Solution

The fourth proportional to 6,275.32, 8,640.14 and 5,329.24 is: 7,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.32 : 8,640.14 = 5,329.24 : x
  2. Step 2: Convert to fraction form
    6,275.32/8,640.14 = 5,329.24/x
  3. Step 3: Cross multiply
    6,275.32x = 8,640.14 × 5,329.24
  4. Step 4: Simplify right side
    6,275.32x = 46,045,379.69
  5. Step 5: Solve for x
    x = 46,045,379.69/6,275.32
  6. Step 6: Final answer
    x = 7,337.53

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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.