Home / 7,154.80-9,873.18-4,010.68

Finding the Fourth Proportional to 7,154.80, 9,873.18 and 4,010.68

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Solution

The fourth proportional to 7,154.80, 9,873.18 and 4,010.68 is: 5,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.80 : 9,873.18 = 4,010.68 : x
  2. Step 2: Convert to fraction form
    7,154.80/9,873.18 = 4,010.68/x
  3. Step 3: Cross multiply
    7,154.80x = 9,873.18 × 4,010.68
  4. Step 4: Simplify right side
    7,154.80x = 39,598,165.56
  5. Step 5: Solve for x
    x = 39,598,165.56/7,154.80
  6. Step 6: Final answer
    x = 5,534.49

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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.