Home / 7,558.02-10,430.16-4,201.20

Finding the Fourth Proportional to 7,558.02, 10,430.16 and 4,201.20

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Solution

The fourth proportional to 7,558.02, 10,430.16 and 4,201.20 is: 5,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.02 : 10,430.16 = 4,201.20 : x
  2. Step 2: Convert to fraction form
    7,558.02/10,430.16 = 4,201.20/x
  3. Step 3: Cross multiply
    7,558.02x = 10,430.16 × 4,201.20
  4. Step 4: Simplify right side
    7,558.02x = 43,819,188.19
  5. Step 5: Solve for x
    x = 43,819,188.19/7,558.02
  6. Step 6: Final answer
    x = 5,797.71

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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.