Home / 5,400.07-7,455.53-4,407.71

Finding the Fourth Proportional to 5,400.07, 7,455.53 and 4,407.71

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Solution

The fourth proportional to 5,400.07, 7,455.53 and 4,407.71 is: 6,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.07 : 7,455.53 = 4,407.71 : x
  2. Step 2: Convert to fraction form
    5,400.07/7,455.53 = 4,407.71/x
  3. Step 3: Cross multiply
    5,400.07x = 7,455.53 × 4,407.71
  4. Step 4: Simplify right side
    5,400.07x = 32,861,843.79
  5. Step 5: Solve for x
    x = 32,861,843.79/5,400.07
  6. Step 6: Final answer
    x = 6,085.45

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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.