Home / 5,113.24-7,056.81-3,125.12

Finding the Fourth Proportional to 5,113.24, 7,056.81 and 3,125.12

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Solution

The fourth proportional to 5,113.24, 7,056.81 and 3,125.12 is: 4,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.24 : 7,056.81 = 3,125.12 : x
  2. Step 2: Convert to fraction form
    5,113.24/7,056.81 = 3,125.12/x
  3. Step 3: Cross multiply
    5,113.24x = 7,056.81 × 3,125.12
  4. Step 4: Simplify right side
    5,113.24x = 22,053,397.93
  5. Step 5: Solve for x
    x = 22,053,397.93/5,113.24
  6. Step 6: Final answer
    x = 4,313.00

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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.