Home / 7,357.04-10,152.49-3,999.77

Finding the Fourth Proportional to 7,357.04, 10,152.49 and 3,999.77

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Solution

The fourth proportional to 7,357.04, 10,152.49 and 3,999.77 is: 5,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.04 : 10,152.49 = 3,999.77 : x
  2. Step 2: Convert to fraction form
    7,357.04/10,152.49 = 3,999.77/x
  3. Step 3: Cross multiply
    7,357.04x = 10,152.49 × 3,999.77
  4. Step 4: Simplify right side
    7,357.04x = 40,607,564.17
  5. Step 5: Solve for x
    x = 40,607,564.17/7,357.04
  6. Step 6: Final answer
    x = 5,519.56

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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.