Home / 3,132.46-4,323.51-1,953.31

Finding the Fourth Proportional to 3,132.46, 4,323.51 and 1,953.31

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Solution

The fourth proportional to 3,132.46, 4,323.51 and 1,953.31 is: 2,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.46 : 4,323.51 = 1,953.31 : x
  2. Step 2: Convert to fraction form
    3,132.46/4,323.51 = 1,953.31/x
  3. Step 3: Cross multiply
    3,132.46x = 4,323.51 × 1,953.31
  4. Step 4: Simplify right side
    3,132.46x = 8,445,155.32
  5. Step 5: Solve for x
    x = 8,445,155.32/3,132.46
  6. Step 6: Final answer
    x = 2,696.01

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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.