Home / 7,299.42-10,072.35-4,155.18

Finding the Fourth Proportional to 7,299.42, 10,072.35 and 4,155.18

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Solution

The fourth proportional to 7,299.42, 10,072.35 and 4,155.18 is: 5,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.42 : 10,072.35 = 4,155.18 : x
  2. Step 2: Convert to fraction form
    7,299.42/10,072.35 = 4,155.18/x
  3. Step 3: Cross multiply
    7,299.42x = 10,072.35 × 4,155.18
  4. Step 4: Simplify right side
    7,299.42x = 41,852,427.27
  5. Step 5: Solve for x
    x = 41,852,427.27/7,299.42
  6. Step 6: Final answer
    x = 5,733.66

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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.