Home / 7,475.26-10,315.46-4,117.96

Finding the Fourth Proportional to 7,475.26, 10,315.46 and 4,117.96

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Solution

The fourth proportional to 7,475.26, 10,315.46 and 4,117.96 is: 5,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.26 : 10,315.46 = 4,117.96 : x
  2. Step 2: Convert to fraction form
    7,475.26/10,315.46 = 4,117.96/x
  3. Step 3: Cross multiply
    7,475.26x = 10,315.46 × 4,117.96
  4. Step 4: Simplify right side
    7,475.26x = 42,478,651.66
  5. Step 5: Solve for x
    x = 42,478,651.66/7,475.26
  6. Step 6: Final answer
    x = 5,682.57

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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.