Home / 7,154.66-9,873.43-4,010.85

Finding the Fourth Proportional to 7,154.66, 9,873.43 and 4,010.85

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Solution

The fourth proportional to 7,154.66, 9,873.43 and 4,010.85 is: 5,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.66 : 9,873.43 = 4,010.85 : x
  2. Step 2: Convert to fraction form
    7,154.66/9,873.43 = 4,010.85/x
  3. Step 3: Cross multiply
    7,154.66x = 9,873.43 × 4,010.85
  4. Step 4: Simplify right side
    7,154.66x = 39,600,807.40
  5. Step 5: Solve for x
    x = 39,600,807.40/7,154.66
  6. Step 6: Final answer
    x = 5,534.97

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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.