Home / 7,505.04-10,357.02-4,147.80

Finding the Fourth Proportional to 7,505.04, 10,357.02 and 4,147.80

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Solution

The fourth proportional to 7,505.04, 10,357.02 and 4,147.80 is: 5,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.04 : 10,357.02 = 4,147.80 : x
  2. Step 2: Convert to fraction form
    7,505.04/10,357.02 = 4,147.80/x
  3. Step 3: Cross multiply
    7,505.04x = 10,357.02 × 4,147.80
  4. Step 4: Simplify right side
    7,505.04x = 42,958,847.56
  5. Step 5: Solve for x
    x = 42,958,847.56/7,505.04
  6. Step 6: Final answer
    x = 5,724.00

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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.