Home / 7,325.15-10,108.70-3,967.93

Finding the Fourth Proportional to 7,325.15, 10,108.70 and 3,967.93

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Solution

The fourth proportional to 7,325.15, 10,108.70 and 3,967.93 is: 5,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.15 : 10,108.70 = 3,967.93 : x
  2. Step 2: Convert to fraction form
    7,325.15/10,108.70 = 3,967.93/x
  3. Step 3: Cross multiply
    7,325.15x = 10,108.70 × 3,967.93
  4. Step 4: Simplify right side
    7,325.15x = 40,110,621.67
  5. Step 5: Solve for x
    x = 40,110,621.67/7,325.15
  6. Step 6: Final answer
    x = 5,475.74

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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.