Home / 7,151.18-10,725.46-1,957.01

Finding the Fourth Proportional to 7,151.18, 10,725.46 and 1,957.01

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Solution

The fourth proportional to 7,151.18, 10,725.46 and 1,957.01 is: 2,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.18 : 10,725.46 = 1,957.01 : x
  2. Step 2: Convert to fraction form
    7,151.18/10,725.46 = 1,957.01/x
  3. Step 3: Cross multiply
    7,151.18x = 10,725.46 × 1,957.01
  4. Step 4: Simplify right side
    7,151.18x = 20,989,773.95
  5. Step 5: Solve for x
    x = 20,989,773.95/7,151.18
  6. Step 6: Final answer
    x = 2,935.15

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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.