Home / 7,406.02-10,221.42-4,261.60

Finding the Fourth Proportional to 7,406.02, 10,221.42 and 4,261.60

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Solution

The fourth proportional to 7,406.02, 10,221.42 and 4,261.60 is: 5,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.02 : 10,221.42 = 4,261.60 : x
  2. Step 2: Convert to fraction form
    7,406.02/10,221.42 = 4,261.60/x
  3. Step 3: Cross multiply
    7,406.02x = 10,221.42 × 4,261.60
  4. Step 4: Simplify right side
    7,406.02x = 43,559,603.47
  5. Step 5: Solve for x
    x = 43,559,603.47/7,406.02
  6. Step 6: Final answer
    x = 5,881.65

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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.