Home / 7,317.90-10,099.08-4,174.02

Finding the Fourth Proportional to 7,317.90, 10,099.08 and 4,174.02

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Solution

The fourth proportional to 7,317.90, 10,099.08 and 4,174.02 is: 5,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.90 : 10,099.08 = 4,174.02 : x
  2. Step 2: Convert to fraction form
    7,317.90/10,099.08 = 4,174.02/x
  3. Step 3: Cross multiply
    7,317.90x = 10,099.08 × 4,174.02
  4. Step 4: Simplify right side
    7,317.90x = 42,153,761.90
  5. Step 5: Solve for x
    x = 42,153,761.90/7,317.90
  6. Step 6: Final answer
    x = 5,760.36

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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.