Home / 7,037.34-10,549.53-3,139.62

Finding the Fourth Proportional to 7,037.34, 10,549.53 and 3,139.62

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Solution

The fourth proportional to 7,037.34, 10,549.53 and 3,139.62 is: 4,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.34 : 10,549.53 = 3,139.62 : x
  2. Step 2: Convert to fraction form
    7,037.34/10,549.53 = 3,139.62/x
  3. Step 3: Cross multiply
    7,037.34x = 10,549.53 × 3,139.62
  4. Step 4: Simplify right side
    7,037.34x = 33,121,515.38
  5. Step 5: Solve for x
    x = 33,121,515.38/7,037.34
  6. Step 6: Final answer
    x = 4,706.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.