Home / 3,024.06-4,173.75-2,139.90

Finding the Fourth Proportional to 3,024.06, 4,173.75 and 2,139.90

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Solution

The fourth proportional to 3,024.06, 4,173.75 and 2,139.90 is: 2,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.06 : 4,173.75 = 2,139.90 : x
  2. Step 2: Convert to fraction form
    3,024.06/4,173.75 = 2,139.90/x
  3. Step 3: Cross multiply
    3,024.06x = 4,173.75 × 2,139.90
  4. Step 4: Simplify right side
    3,024.06x = 8,931,407.63
  5. Step 5: Solve for x
    x = 8,931,407.63/3,024.06
  6. Step 6: Final answer
    x = 2,953.45

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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.