Home / 7,340.68-10,130.47-4,507.49

Finding the Fourth Proportional to 7,340.68, 10,130.47 and 4,507.49

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Solution

The fourth proportional to 7,340.68, 10,130.47 and 4,507.49 is: 6,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.68 : 10,130.47 = 4,507.49 : x
  2. Step 2: Convert to fraction form
    7,340.68/10,130.47 = 4,507.49/x
  3. Step 3: Cross multiply
    7,340.68x = 10,130.47 × 4,507.49
  4. Step 4: Simplify right side
    7,340.68x = 45,662,935.05
  5. Step 5: Solve for x
    x = 45,662,935.05/7,340.68
  6. Step 6: Final answer
    x = 6,220.54

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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.