Home / 2,955.47-4,430.45-2,343.11

Finding the Fourth Proportional to 2,955.47, 4,430.45 and 2,343.11

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Solution

The fourth proportional to 2,955.47, 4,430.45 and 2,343.11 is: 3,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.47 : 4,430.45 = 2,343.11 : x
  2. Step 2: Convert to fraction form
    2,955.47/4,430.45 = 2,343.11/x
  3. Step 3: Cross multiply
    2,955.47x = 4,430.45 × 2,343.11
  4. Step 4: Simplify right side
    2,955.47x = 10,381,015.41
  5. Step 5: Solve for x
    x = 10,381,015.41/2,955.47
  6. Step 6: Final answer
    x = 3,512.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.