Home / 7,555.21-10,426.05-4,197.89

Finding the Fourth Proportional to 7,555.21, 10,426.05 and 4,197.89

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Solution

The fourth proportional to 7,555.21, 10,426.05 and 4,197.89 is: 5,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.21 : 10,426.05 = 4,197.89 : x
  2. Step 2: Convert to fraction form
    7,555.21/10,426.05 = 4,197.89/x
  3. Step 3: Cross multiply
    7,555.21x = 10,426.05 × 4,197.89
  4. Step 4: Simplify right side
    7,555.21x = 43,767,437.10
  5. Step 5: Solve for x
    x = 43,767,437.10/7,555.21
  6. Step 6: Final answer
    x = 5,793.02

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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.