Home / 7,250.76-9,987.38-5,676.04

Finding the Fourth Proportional to 7,250.76, 9,987.38 and 5,676.04

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Solution

The fourth proportional to 7,250.76, 9,987.38 and 5,676.04 is: 7,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.76 : 9,987.38 = 5,676.04 : x
  2. Step 2: Convert to fraction form
    7,250.76/9,987.38 = 5,676.04/x
  3. Step 3: Cross multiply
    7,250.76x = 9,987.38 × 5,676.04
  4. Step 4: Simplify right side
    7,250.76x = 56,688,768.38
  5. Step 5: Solve for x
    x = 56,688,768.38/7,250.76
  6. Step 6: Final answer
    x = 7,818.32

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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.