Home / 7,557.28-10,429.02-4,245.28

Finding the Fourth Proportional to 7,557.28, 10,429.02 and 4,245.28

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Solution

The fourth proportional to 7,557.28, 10,429.02 and 4,245.28 is: 5,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.28 : 10,429.02 = 4,245.28 : x
  2. Step 2: Convert to fraction form
    7,557.28/10,429.02 = 4,245.28/x
  3. Step 3: Cross multiply
    7,557.28x = 10,429.02 × 4,245.28
  4. Step 4: Simplify right side
    7,557.28x = 44,274,110.03
  5. Step 5: Solve for x
    x = 44,274,110.03/7,557.28
  6. Step 6: Final answer
    x = 5,858.47

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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.