Home / 7,360.79-10,150.90-5,679.53

Finding the Fourth Proportional to 7,360.79, 10,150.90 and 5,679.53

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Solution

The fourth proportional to 7,360.79, 10,150.90 and 5,679.53 is: 7,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.79 : 10,150.90 = 5,679.53 : x
  2. Step 2: Convert to fraction form
    7,360.79/10,150.90 = 5,679.53/x
  3. Step 3: Cross multiply
    7,360.79x = 10,150.90 × 5,679.53
  4. Step 4: Simplify right side
    7,360.79x = 57,652,341.08
  5. Step 5: Solve for x
    x = 57,652,341.08/7,360.79
  6. Step 6: Final answer
    x = 7,832.36

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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.