Home / 7,157.44-9,877.27-4,013.63

Finding the Fourth Proportional to 7,157.44, 9,877.27 and 4,013.63

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Solution

The fourth proportional to 7,157.44, 9,877.27 and 4,013.63 is: 5,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.44 : 9,877.27 = 4,013.63 : x
  2. Step 2: Convert to fraction form
    7,157.44/9,877.27 = 4,013.63/x
  3. Step 3: Cross multiply
    7,157.44x = 9,877.27 × 4,013.63
  4. Step 4: Simplify right side
    7,157.44x = 39,643,647.77
  5. Step 5: Solve for x
    x = 39,643,647.77/7,157.44
  6. Step 6: Final answer
    x = 5,538.80

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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.