Home / 7,475.58-10,316.17-4,118.70

Finding the Fourth Proportional to 7,475.58, 10,316.17 and 4,118.70

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Solution

The fourth proportional to 7,475.58, 10,316.17 and 4,118.70 is: 5,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.58 : 10,316.17 = 4,118.70 : x
  2. Step 2: Convert to fraction form
    7,475.58/10,316.17 = 4,118.70/x
  3. Step 3: Cross multiply
    7,475.58x = 10,316.17 × 4,118.70
  4. Step 4: Simplify right side
    7,475.58x = 42,489,224.87
  5. Step 5: Solve for x
    x = 42,489,224.87/7,475.58
  6. Step 6: Final answer
    x = 5,683.74

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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.