Home / 3,472.20-4,790.56-2,056.40

Finding the Fourth Proportional to 3,472.20, 4,790.56 and 2,056.40

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Solution

The fourth proportional to 3,472.20, 4,790.56 and 2,056.40 is: 2,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.20 : 4,790.56 = 2,056.40 : x
  2. Step 2: Convert to fraction form
    3,472.20/4,790.56 = 2,056.40/x
  3. Step 3: Cross multiply
    3,472.20x = 4,790.56 × 2,056.40
  4. Step 4: Simplify right side
    3,472.20x = 9,851,307.58
  5. Step 5: Solve for x
    x = 9,851,307.58/3,472.20
  6. Step 6: Final answer
    x = 2,837.19

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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.