Home / 3,125.02-4,318.24-2,973.20

Finding the Fourth Proportional to 3,125.02, 4,318.24 and 2,973.20

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Solution

The fourth proportional to 3,125.02, 4,318.24 and 2,973.20 is: 4,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.02 : 4,318.24 = 2,973.20 : x
  2. Step 2: Convert to fraction form
    3,125.02/4,318.24 = 2,973.20/x
  3. Step 3: Cross multiply
    3,125.02x = 4,318.24 × 2,973.20
  4. Step 4: Simplify right side
    3,125.02x = 12,838,991.17
  5. Step 5: Solve for x
    x = 12,838,991.17/3,125.02
  6. Step 6: Final answer
    x = 4,108.45

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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.