Home / 7,131.51-10,697.40-2,746.62

Finding the Fourth Proportional to 7,131.51, 10,697.40 and 2,746.62

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Solution

The fourth proportional to 7,131.51, 10,697.40 and 2,746.62 is: 4,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.51 : 10,697.40 = 2,746.62 : x
  2. Step 2: Convert to fraction form
    7,131.51/10,697.40 = 2,746.62/x
  3. Step 3: Cross multiply
    7,131.51x = 10,697.40 × 2,746.62
  4. Step 4: Simplify right side
    7,131.51x = 29,381,692.79
  5. Step 5: Solve for x
    x = 29,381,692.79/7,131.51
  6. Step 6: Final answer
    x = 4,119.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.